1199424408 has 128 divisors (see below), whose sum is σ = 3715998720. Its totient is φ = 314150400.

The previous prime is 1199424403. The next prime is 1199424433. The reversal of 1199424408 is 8044249911.

It is a happy number.

It is a super-3 number, since 3×1199424408³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1199424408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199424403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327966 + ... + 331602.

It is an arithmetic number, because the mean of its divisors is an integer number (29031240).

Almost surely, 2^1199424408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199424408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857999360).

1199424408 is an abundant number, since it is smaller than the sum of its proper divisors (2516574312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1199424408 is a wasteful number, since it uses less digits than its factorization.

1199424408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817 (or 3813 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1199424408 is about 34632.7071999865. The cubic root of 1199424408 is about 1062.4886370734.

The spelling of 1199424408 in words is "one billion, one hundred ninety-nine million, four hundred twenty-four thousand, four hundred eight".