120650642 has 12 divisors (see below), whose sum is σ = 210523230. Its totient is φ = 51707376.

The previous prime is 120650639. The next prime is 120650671. The reversal of 120650642 is 246056021.

It can be written as a sum of positive squares in only one way, i.e., 102596641 + 18054001 = 10129^2 + 4249^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615467 + ... + 615662.

Almost surely, 2^120650642 is an apocalyptic number.

120650642 is a deficient number, since it is larger than the sum of its proper divisors (89872588).

120650642 is a wasteful number, since it uses less digits than its factorization.

120650642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231145 (or 1231138 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 120650642 is about 10984.1086119903. The cubic root of 120650642 is about 494.1322647364.

The spelling of 120650642 in words is "one hundred twenty million, six hundred fifty thousand, six hundred forty-two".