120400122 has 8 divisors (see below), whose sum is σ = 240800256. Its totient is φ = 40133372.

The previous prime is 120400117. The next prime is 120400123. The reversal of 120400122 is 221004021.

It is a sphenic number, since it is the product of 3 distinct primes.

120400122 is an admirable number.

It is a super-2 number, since 2×120400122² = 28992378755229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120400098 and 120400107.

It is not an unprimeable number, because it can be changed into a prime (120400123) 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, 10033338 + ... + 10033349.

It is an arithmetic number, because the mean of its divisors is an integer number (30100032).

Almost surely, 2^120400122 is an apocalyptic number.

120400122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120400122 is a wasteful number, since it uses less digits than its factorization.

120400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20066692.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 120400122 is about 10972.6989387297. The cubic root of 120400122 is about 493.7900209615.

Adding to 120400122 its reverse (221004021), we get a palindrome (341404143).

The spelling of 120400122 in words is "one hundred twenty million, four hundred thousand, one hundred twenty-two".