120404140 has 24 divisors (see below), whose sum is σ = 266157360. Its totient is φ = 45626688.

The previous prime is 120404129. The next prime is 120404147. The reversal of 120404140 is 41404021.

It is not an unprimeable number, because it can be changed into a prime (120404147) 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, 158047 + ... + 158806.

It is an arithmetic number, because the mean of its divisors is an integer number (11089890).

Almost surely, 2^120404140 is an apocalyptic number.

120404140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120404140 is an abundant number, since it is smaller than the sum of its proper divisors (145753220).

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

120404140 is a wasteful number, since it uses less digits than its factorization.

120404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316881 (or 316879 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 120404140 is about 10972.8820279815. The cubic root of 120404140 is about 493.7955138304.

Adding to 120404140 its reverse (41404021), we get a palindrome (161808161).

The spelling of 120404140 in words is "one hundred twenty million, four hundred four thousand, one hundred forty".