122160631 has 4 divisors (see below), whose sum is σ = 123983992. Its totient is φ = 120337272.

The previous prime is 122160617. The next prime is 122160637. The reversal of 122160631 is 136061221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136061221 = 97 ⋅1402693.

It is a cyclic number.

It is not a de Polignac number, because 122160631 - 2²¹ = 120063479 is a prime.

It is a super-2 number, since 2×122160631² = 29846439532636322, 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 (122160637) 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, 911580 + ... + 911713.

It is an arithmetic number, because the mean of its divisors is an integer number (30995998).

Almost surely, 2^122160631 is an apocalyptic number.

122160631 is a deficient number, since it is larger than the sum of its proper divisors (1823361).

122160631 is an equidigital number, since it uses as much as digits as its factorization.

122160631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823360.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 122160631 is about 11052.6300489974. The cubic root of 122160631 is about 496.1851424141.

The spelling of 122160631 in words is "one hundred twenty-two million, one hundred sixty thousand, six hundred thirty-one".