122951240 has 32 divisors (see below), whose sum is σ = 278830080. Its totient is φ = 48791232.

The previous prime is 122951209. The next prime is 122951243. The reversal of 122951240 is 42159221.

It is not an unprimeable number, because it can be changed into a prime (122951243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7022 + ... + 17181.

It is an arithmetic number, because the mean of its divisors is an integer number (8713440).

Almost surely, 2^122951240 is an apocalyptic number.

122951240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122951240 is an abundant number, since it is smaller than the sum of its proper divisors (155878840).

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

122951240 is a wasteful number, since it uses less digits than its factorization.

122951240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24341 (or 24337 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 122951240 is about 11088.3380179358. The cubic root of 122951240 is about 497.2532584525.

The spelling of 122951240 in words is "one hundred twenty-two million, nine hundred fifty-one thousand, two hundred forty".