120129850 has 12 divisors (see below), whose sum is σ = 223441614. Its totient is φ = 48051920.

The previous prime is 120129833. The next prime is 120129857. The reversal of 120129850 is 58921021.

It can be written as a sum of positive squares in 3 ways, for example, as 84953089 + 35176761 = 9217^2 + 5931^2 .

It is a super-2 number, since 2×120129850² = 28862361722045000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120129857) 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, 1201249 + ... + 1201348.

Almost surely, 2^120129850 is an apocalyptic number.

120129850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120129850 is a deficient number, since it is larger than the sum of its proper divisors (103311764).

120129850 is a wasteful number, since it uses less digits than its factorization.

120129850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402609 (or 2402604 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 120129850 is about 10960.3763621511. The cubic root of 120129850 is about 493.4202605324.

The spelling of 120129850 in words is "one hundred twenty million, one hundred twenty-nine thousand, eight hundred fifty".