122313140 has 24 divisors (see below), whose sum is σ = 257816832. Its totient is φ = 48742560.

The previous prime is 122313137. The next prime is 122313167. The reversal of 122313140 is 41313221.

122313140 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

122313140 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5864 + ... + 16703.

It is an arithmetic number, because the mean of its divisors is an integer number (10742368).

Almost surely, 2^122313140 is an apocalyptic number.

122313140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122313140 is an abundant number, since it is smaller than the sum of its proper divisors (135503692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122313140 is a wasteful number, since it uses less digits than its factorization.

122313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22847 (or 22845 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 122313140 is about 11059.5271146645. The cubic root of 122313140 is about 496.3915406904.

Adding to 122313140 its reverse (41313221), we get a palindrome (163626361).

The spelling of 122313140 in words is "one hundred twenty-two million, three hundred thirteen thousand, one hundred forty".