1197657152 has 14 divisors (see below), whose sum is σ = 2376601038. Its totient is φ = 598828544.

The previous prime is 1197657137. The next prime is 1197657161. The reversal of 1197657152 is 2517567911.

It can be written as a sum of positive squares in only one way, i.e., 957531136 + 240126016 = 30944^2 + 15496^2 .

It is a super-2 number, since 2×1197657152² = 2868765307473502208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9356633 + ... + 9356760.

It is an arithmetic number, because the mean of its divisors is an integer number (169757217).

Almost surely, 2^1197657152 is an apocalyptic number.

It is an amenable number.

1197657152 is a deficient number, since it is larger than the sum of its proper divisors (1178943886).

1197657152 is an equidigital number, since it uses as much as digits as its factorization.

1197657152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18713405 (or 18713395 counting only the distinct ones).

The product of its digits is 132300, while the sum is 44.

The square root of 1197657152 is about 34607.1835317467. The cubic root of 1197657152 is about 1061.9665498760.

The spelling of 1197657152 in words is "one billion, one hundred ninety-seven million, six hundred fifty-seven thousand, one hundred fifty-two".