120136990 has 8 divisors (see below), whose sum is σ = 216246600. Its totient is φ = 48054792.

The previous prime is 120136949. The next prime is 120136993. The reversal of 120136990 is 99631021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120136993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006840 + ... + 6006859.

It is an arithmetic number, because the mean of its divisors is an integer number (27030825).

Almost surely, 2^120136990 is an apocalyptic number.

120136990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120136990 is a deficient number, since it is larger than the sum of its proper divisors (96109610).

120136990 is a wasteful number, since it uses less digits than its factorization.

120136990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12013706.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 120136990 is about 10960.7020760533. The cubic root of 120136990 is about 493.4300359292.

The spelling of 120136990 in words is "one hundred twenty million, one hundred thirty-six thousand, nine hundred ninety".