120071615 has 16 divisors (see below), whose sum is σ = 150667776. Its totient is φ = 91687200.

The previous prime is 120071603. The next prime is 120071617. The reversal of 120071615 is 516170021.

It is not a de Polignac number, because 120071615 - 2⁸ = 120071359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120071617) 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, 78710 + ... + 80220.

It is an arithmetic number, because the mean of its divisors is an integer number (9416736).

Almost surely, 2^120071615 is an apocalyptic number.

120071615 is a deficient number, since it is larger than the sum of its proper divisors (30596161).

120071615 is a wasteful number, since it uses less digits than its factorization.

120071615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 120071615 is about 10957.7194251359. The cubic root of 120071615 is about 493.3405163409.

The spelling of 120071615 in words is "one hundred twenty million, seventy-one thousand, six hundred fifteen".