1199432056 has 16 divisors (see below), whose sum is σ = 2249730000. Its totient is φ = 599504064.

The previous prime is 1199432053. The next prime is 1199432119. The reversal of 1199432056 is 6502349911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199432053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005 + ... + 48988.

It is an arithmetic number, because the mean of its divisors is an integer number (140608125).

Almost surely, 2^1199432056 is an apocalyptic number.

It is an amenable number.

1199432056 is a deficient number, since it is larger than the sum of its proper divisors (1050297944).

1199432056 is a wasteful number, since it uses less digits than its factorization.

1199432056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52998 (or 52994 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1199432056 is about 34632.8176156662. The cubic root of 1199432056 is about 1062.4908953499.

The spelling of 1199432056 in words is "one billion, one hundred ninety-nine million, four hundred thirty-two thousand, fifty-six".