120742870 has 16 divisors (see below), whose sum is σ = 226787040. Its totient is φ = 46197184.

The previous prime is 120742819. The next prime is 120742871. The reversal of 120742870 is 78247021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120742871) 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, 262255 + ... + 262714.

It is an arithmetic number, because the mean of its divisors is an integer number (14174190).

Almost surely, 2^120742870 is an apocalyptic number.

120742870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120742870 is a deficient number, since it is larger than the sum of its proper divisors (106044170).

120742870 is a wasteful number, since it uses less digits than its factorization.

120742870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524999.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 120742870 is about 10988.3060568952. The cubic root of 120742870 is about 494.2581411854.

Adding to 120742870 its reverse (78247021), we get a palindrome (198989891).

The spelling of 120742870 in words is "one hundred twenty million, seven hundred forty-two thousand, eight hundred seventy".