122123031 has 16 divisors (see below), whose sum is σ = 175772160. Its totient is φ = 75188960.

The previous prime is 122123017. The next prime is 122123063. The reversal of 122123031 is 130321221.

It is a cyclic number.

It is not a de Polignac number, because 122123031 - 2⁵ = 122122999 is a prime.

It is a super-2 number, since 2×122123031² = 29828069401253922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122123031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122123011) 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, 28515 + ... + 32516.

It is an arithmetic number, because the mean of its divisors is an integer number (10985760).

Almost surely, 2^122123031 is an apocalyptic number.

122123031 is a deficient number, since it is larger than the sum of its proper divisors (53649129).

122123031 is a wasteful number, since it uses less digits than its factorization.

122123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61086.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122123031 is about 11050.9289654762. The cubic root of 122123031 is about 496.1342300057.

Adding to 122123031 its reverse (130321221), we get a palindrome (252444252).

The spelling of 122123031 in words is "one hundred twenty-two million, one hundred twenty-three thousand, thirty-one".