120142995 has 32 divisors (see below), whose sum is σ = 232616448. Its totient is φ = 51691008.

The previous prime is 120142991. The next prime is 120143003. The reversal of 120142995 is 599241021.

It is not a de Polignac number, because 120142995 - 2² = 120142991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120142991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31869 + ... + 35438.

It is an arithmetic number, because the mean of its divisors is an integer number (7269264).

Almost surely, 2^120142995 is an apocalyptic number.

120142995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120142995 is a deficient number, since it is larger than the sum of its proper divisors (112473453).

120142995 is a wasteful number, since it uses less digits than its factorization.

120142995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67339.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 120142995 is about 10960.9760058126. The cubic root of 120142995 is about 493.4382570941.

The spelling of 120142995 in words is "one hundred twenty million, one hundred forty-two thousand, nine hundred ninety-five".