1197398232 has 24 divisors (see below), whose sum is σ = 3242953740. Its totient is φ = 399132720.

The previous prime is 1197398231. The next prime is 1197398243. The reversal of 1197398232 is 2328937911.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197398231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8315194 + ... + 8315337.

Almost surely, 2^1197398232 is an apocalyptic number.

1197398232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1197398232 is an abundant number, since it is smaller than the sum of its proper divisors (2045555508).

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

1197398232 is a wasteful number, since it uses less digits than its factorization.

1197398232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16630543 (or 16630536 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1197398232 is about 34603.4424877063. The cubic root of 1197398232 is about 1061.8900159543.

The spelling of 1197398232 in words is "one billion, one hundred ninety-seven million, three hundred ninety-eight thousand, two hundred thirty-two".