122252140 has 24 divisors (see below), whose sum is σ = 257028912. Its totient is φ = 48843840.

The previous prime is 122252089. The next prime is 122252147. The reversal of 122252140 is 41252221.

It is not an unprimeable number, because it can be changed into a prime (122252147) 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, 16875 + ... + 23005.

It is an arithmetic number, because the mean of its divisors is an integer number (10709538).

Almost surely, 2^122252140 is an apocalyptic number.

122252140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122252140 is an abundant number, since it is smaller than the sum of its proper divisors (134776772).

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

122252140 is a wasteful number, since it uses less digits than its factorization.

122252140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137 (or 7135 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 122252140 is about 11056.7689674697. The cubic root of 122252140 is about 496.3090068511.

It can be divided in two parts, 12225 and 2140, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 122252140 in words is "one hundred twenty-two million, two hundred fifty-two thousand, one hundred forty".