120587290 has 16 divisors (see below), whose sum is σ = 229825512. Its totient is φ = 45397504.

The previous prime is 120587287. The next prime is 120587293. The reversal of 120587290 is 92785021.

It is an interprime number because it is at equal distance from previous prime (120587287) and next prime (120587293).

It can be written as a sum of positive squares in 4 ways, for example, as 100220121 + 20367169 = 10011^2 + 4513^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (120587293) 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, 354499 + ... + 354838.

Almost surely, 2^120587290 is an apocalyptic number.

120587290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120587290 is a deficient number, since it is larger than the sum of its proper divisors (109238222).

120587290 is a wasteful number, since it uses less digits than its factorization.

120587290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709361.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 120587290 is about 10981.2244308183. The cubic root of 120587290 is about 494.0457622322.

The spelling of 120587290 in words is "one hundred twenty million, five hundred eighty-seven thousand, two hundred ninety".