1122432857 has 32 divisors (see below), whose sum is σ = 1417516800. Its totient is φ = 883128960.

The previous prime is 1122432799. The next prime is 1122432859. The reversal of 1122432857 is 7582342211.

It is not a de Polignac number, because 1122432857 - 2⁶ = 1122432793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122432859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 940253 + ... + 941445.

It is an arithmetic number, because the mean of its divisors is an integer number (44297400).

Almost surely, 2^1122432857 is an apocalyptic number.

It is an amenable number.

1122432857 is a deficient number, since it is larger than the sum of its proper divisors (295083943).

1122432857 is a wasteful number, since it uses less digits than its factorization.

1122432857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1424 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 1122432857 is about 33502.7290977914. The cubic root of 1122432857 is about 1039.2502167887.

The spelling of 1122432857 in words is "one billion, one hundred twenty-two million, four hundred thirty-two thousand, eight hundred fifty-seven".