122861120 has 28 divisors (see below), whose sum is σ = 292563804. Its totient is φ = 49144320.

The previous prime is 122861107. The next prime is 122861129. The reversal of 122861120 is 21168221.

It can be written as a sum of positive squares in 2 ways, for example, as 34951744 + 87909376 = 5912^2 + 9376^2 .

It is not an unprimeable number, because it can be changed into a prime (122861129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191651 + ... + 192290.

Almost surely, 2^122861120 is an apocalyptic number.

122861120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122861120 is an abundant number, since it is smaller than the sum of its proper divisors (169702684).

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

122861120 is an equidigital number, since it uses as much as digits as its factorization.

122861120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383958 (or 383948 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 122861120 is about 11084.2735440804. The cubic root of 122861120 is about 497.1317376043.

The spelling of 122861120 in words is "one hundred twenty-two million, eight hundred sixty-one thousand, one hundred twenty".