97631121 has 16 divisors (see below), whose sum is σ = 153571328. Its totient is φ = 53989200.

The previous prime is 97631117. The next prime is 97631161. The reversal of 97631121 is 12113679.

It is not a de Polignac number, because 97631121 - 2² = 97631117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97631161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74335 + ... + 75636.

It is an arithmetic number, because the mean of its divisors is an integer number (9598208).

Almost surely, 2^97631121 is an apocalyptic number.

It is an amenable number.

97631121 is a deficient number, since it is larger than the sum of its proper divisors (55940207).

97631121 is a wasteful number, since it uses less digits than its factorization.

97631121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150012.

The product of its digits is 2268, while the sum is 30.

The square root of 97631121 is about 9880.8461682186. The cubic root of 97631121 is about 460.4644348365.

The spelling of 97631121 in words is "ninety-seven million, six hundred thirty-one thousand, one hundred twenty-one".