120137650 has 12 divisors (see below), whose sum is σ = 223456122. Its totient is φ = 48055040.

The previous prime is 120137621. The next prime is 120137653. The reversal of 120137650 is 56731021.

It can be written as a sum of positive squares in 3 ways, for example, as 113486409 + 6651241 = 10653^2 + 2579^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (120137653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1201327 + ... + 1201426.

Almost surely, 2^120137650 is an apocalyptic number.

120137650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120137650 is a deficient number, since it is larger than the sum of its proper divisors (103318472).

120137650 is a wasteful number, since it uses less digits than its factorization.

120137650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402765 (or 2402760 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 120137650 is about 10960.7321835724. The cubic root of 120137650 is about 493.4309395178.

Adding to 120137650 its reverse (56731021), we get a palindrome (176868671).

The spelling of 120137650 in words is "one hundred twenty million, one hundred thirty-seven thousand, six hundred fifty".