1197232656 has 20 divisors (see below), whose sum is σ = 3092851152. Its totient is φ = 399077536.

The previous prime is 1197232649. The next prime is 1197232657. The reversal of 1197232656 is 6562327911.

It is not an unprimeable number, because it can be changed into a prime (1197232657) 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, 12471126 + ... + 12471221.

Almost surely, 2^1197232656 is an apocalyptic number.

1197232656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1197232656 is an abundant number, since it is smaller than the sum of its proper divisors (1895618496).

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

1197232656 is a wasteful number, since it uses less digits than its factorization.

1197232656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24942358 (or 24942352 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 1197232656 is about 34601.0499262667. The cubic root of 1197232656 is about 1061.8410677148.

The spelling of 1197232656 in words is "one billion, one hundred ninety-seven million, two hundred thirty-two thousand, six hundred fifty-six".