1197048631 has 4 divisors (see below), whose sum is σ = 1238326200. Its totient is φ = 1155771064.

The previous prime is 1197048617. The next prime is 1197048647. The reversal of 1197048631 is 1368407911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1197048631 - 2⁹ = 1197048119 is a prime.

It is a super-2 number, since 2×1197048631² = 2865850849957948322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197040631) 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, 20638741 + ... + 20638798.

It is an arithmetic number, because the mean of its divisors is an integer number (309581550).

Almost surely, 2^1197048631 is an apocalyptic number.

1197048631 is a deficient number, since it is larger than the sum of its proper divisors (41277569).

1197048631 is an equidigital number, since it uses as much as digits as its factorization.

1197048631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41277568.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1197048631 is about 34598.3905839564. The cubic root of 1197048631 is about 1061.7866602126.

The spelling of 1197048631 in words is "one billion, one hundred ninety-seven million, forty-eight thousand, six hundred thirty-one".