122953420 has 24 divisors (see below), whose sum is σ = 258585264. Its totient is φ = 49108416.

The previous prime is 122953393. The next prime is 122953421. The reversal of 122953420 is 24359221.

It is not an unprimeable number, because it can be changed into a prime (122953421) 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, 10467 + ... + 18853.

It is an arithmetic number, because the mean of its divisors is an integer number (10774386).

Almost surely, 2^122953420 is an apocalyptic number.

122953420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122953420 is an abundant number, since it is smaller than the sum of its proper divisors (135631844).

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

122953420 is a wasteful number, since it uses less digits than its factorization.

122953420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129 (or 9127 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 122953420 is about 11088.4363189766. The cubic root of 122953420 is about 497.2561973023.

The spelling of 122953420 in words is "one hundred twenty-two million, nine hundred fifty-three thousand, four hundred twenty".