120838015 has 8 divisors (see below), whose sum is σ = 145081008. Its totient is φ = 96620160.

The previous prime is 120838013. The next prime is 120838049. The reversal of 120838015 is 510838021.

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

It is not a de Polignac number, because 120838015 - 2¹ = 120838013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120838013) 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, 6759 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (18135126).

Almost surely, 2^120838015 is an apocalyptic number.

120838015 is a deficient number, since it is larger than the sum of its proper divisors (24242993).

120838015 is a wasteful number, since it uses less digits than its factorization.

120838015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12569.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 120838015 is about 10992.6345795719. The cubic root of 120838015 is about 494.3879317176.

The spelling of 120838015 in words is "one hundred twenty million, eight hundred thirty-eight thousand, fifteen".