1199150460 has 144 divisors (see below), whose sum is σ = 3822648480. Its totient is φ = 312076800.

The previous prime is 1199150399. The next prime is 1199150473. The reversal of 1199150460 is 640519911.

1199150460 is a `hidden beast` number, since 1 + 1 + 9 + 91 + 504 + 60 = 666.

It is a Smith number, since the sum of its digits (36) 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 (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 997860 + ... + 999060.

It is an arithmetic number, because the mean of its divisors is an integer number (26546170).

Almost surely, 2^1199150460 is an apocalyptic number.

1199150460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199150460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911324240).

1199150460 is an abundant number, since it is smaller than the sum of its proper divisors (2623498020).

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

1199150460 is a wasteful number, since it uses less digits than its factorization.

1199150460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1199150460 is about 34628.7519266866. The cubic root of 1199150460 is about 1062.4077402705.

The spelling of 1199150460 in words is "one billion, one hundred ninety-nine million, one hundred fifty thousand, four hundred sixty".