120090615 has 16 divisors (see below), whose sum is σ = 196614528. Its totient is φ = 62558496.

The previous prime is 120090611. The next prime is 120090617. The reversal of 120090615 is 516090021.

It is not a de Polignac number, because 120090615 - 2² = 120090611 is a prime.

It is a super-2 number, since 2×120090615² = 28843511622156450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120090611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92449 + ... + 93738.

It is an arithmetic number, because the mean of its divisors is an integer number (12288408).

Almost surely, 2^120090615 is an apocalyptic number.

120090615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120090615 is a deficient number, since it is larger than the sum of its proper divisors (76523913).

120090615 is a wasteful number, since it uses less digits than its factorization.

120090615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186238.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 120090615 is about 10958.5863595630. The cubic root of 120090615 is about 493.3665368550.

The spelling of 120090615 in words is "one hundred twenty million, ninety thousand, six hundred fifteen".