122113031 has 4 divisors (see below), whose sum is σ = 122140464. Its totient is φ = 122085600.

The previous prime is 122112979. The next prime is 122113087. The reversal of 122113031 is 130311221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130311221 = 281 ⋅463741.

It is a cyclic number.

It is not a de Polignac number, because 122113031 - 2¹⁸ = 121850887 is a prime.

It is a super-2 number, since 2×122113031² = 29823184680013922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122112997 and 122113015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122113231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330 + ... + 16511.

It is an arithmetic number, because the mean of its divisors is an integer number (30535116).

Almost surely, 2^122113031 is an apocalyptic number.

122113031 is a deficient number, since it is larger than the sum of its proper divisors (27433).

122113031 is an equidigital number, since it uses as much as digits as its factorization.

122113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27432.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 122113031 is about 11050.4765055630. The cubic root of 122113031 is about 496.1206877124.

Adding to 122113031 its reverse (130311221), we get a palindrome (252424252).

The spelling of 122113031 in words is "one hundred twenty-two million, one hundred thirteen thousand, thirty-one".