120271615 has 16 divisors (see below), whose sum is σ = 153047520. Its totient is φ = 90478080.

The previous prime is 120271609. The next prime is 120271649. The reversal of 120271615 is 516172021.

It is not a de Polignac number, because 120271615 - 2³ = 120271607 is a prime.

It is a super-2 number, since 2×120271615² = 28930522749416450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120271615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8395 + ... + 17635.

It is an arithmetic number, because the mean of its divisors is an integer number (9565470).

Almost surely, 2^120271615 is an apocalyptic number.

120271615 is a deficient number, since it is larger than the sum of its proper divisors (32775905).

120271615 is a wasteful number, since it uses less digits than its factorization.

120271615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9402.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 120271615 is about 10966.8416146127. The cubic root of 120271615 is about 493.6142789922.

The spelling of 120271615 in words is "one hundred twenty million, two hundred seventy-one thousand, six hundred fifteen".