122120031 has 8 divisors (see below), whose sum is σ = 177629184. Its totient is φ = 74012120.

The previous prime is 122120023. The next prime is 122120051. The reversal of 122120031 is 130021221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122120031 - 2³ = 122120023 is a prime.

It is a super-2 number, since 2×122120031² = 29826603942881922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122119989 and 122120016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850271 + ... + 1850336.

It is an arithmetic number, because the mean of its divisors is an integer number (22203648).

Almost surely, 2^122120031 is an apocalyptic number.

122120031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122120031 is a deficient number, since it is larger than the sum of its proper divisors (55509153).

122120031 is a wasteful number, since it uses less digits than its factorization.

122120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700621.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 122120031 is about 11050.7932294474. The cubic root of 122120031 is about 496.1301673953.

Adding to 122120031 its reverse (130021221), we get a palindrome (252141252).

The spelling of 122120031 in words is "one hundred twenty-two million, one hundred twenty thousand, thirty-one".