120726715 has 4 divisors (see below), whose sum is σ = 144872064. Its totient is φ = 96581368.

The previous prime is 120726713. The next prime is 120726719. The reversal of 120726715 is 517627021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517627021 = 167 ⋅3099563.

It is a cyclic number.

It is not a de Polignac number, because 120726715 - 2¹ = 120726713 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120726713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12072667 + ... + 12072676.

It is an arithmetic number, because the mean of its divisors is an integer number (36218016).

Almost surely, 2^120726715 is an apocalyptic number.

120726715 is a deficient number, since it is larger than the sum of its proper divisors (24145349).

120726715 is an equidigital number, since it uses as much as digits as its factorization.

120726715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24145348.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 120726715 is about 10987.5709326493. The cubic root of 120726715 is about 494.2360968295.

The spelling of 120726715 in words is "one hundred twenty million, seven hundred twenty-six thousand, seven hundred fifteen".