1199469150 has 144 divisors (see below), whose sum is σ = 3539023488. Its totient is φ = 288840000.

The previous prime is 1199469149. The next prime is 1199469179. The reversal of 1199469150 is 519649911.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1199469096 and 1199469105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 825925 + ... + 827375.

It is an arithmetic number, because the mean of its divisors is an integer number (24576552).

Almost surely, 2^1199469150 is an apocalyptic number.

1199469150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199469150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769511744).

1199469150 is an abundant number, since it is smaller than the sum of its proper divisors (2339554338).

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

1199469150 is a wasteful number, since it uses less digits than its factorization.

1199469150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 1199469150 is about 34633.3531440431. The cubic root of 1199469150 is about 1062.5018482090.

The spelling of 1199469150 in words is "one billion, one hundred ninety-nine million, four hundred sixty-nine thousand, one hundred fifty".