97045870121 has 4 divisors (see below), whose sum is σ = 97588026000. Its totient is φ = 96503714244.

The previous prime is 97045870063. The next prime is 97045870123. The reversal of 97045870121 is 12107854079.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12107854079 = 5623 ⋅2153273.

It is a cyclic number.

It is not a de Polignac number, because 97045870121 - 2¹⁸ = 97045607977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97045870123) 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 3 ways as a sum of consecutive naturals, for example, 271077671 + ... + 271078028.

It is an arithmetic number, because the mean of its divisors is an integer number (24397006500).

Almost surely, 2^97045870121 is an apocalyptic number.

It is an amenable number.

97045870121 is a deficient number, since it is larger than the sum of its proper divisors (542155879).

97045870121 is a wasteful number, since it uses less digits than its factorization.

97045870121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542155878.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 97045870121 in words is "ninety-seven billion, forty-five million, eight hundred seventy thousand, one hundred twenty-one".