120726321 has 8 divisors (see below), whose sum is σ = 161033184. Its totient is φ = 80451840.

The previous prime is 120726293. The next prime is 120726349. The reversal of 120726321 is 123627021.

It is an interprime number because it is at equal distance from previous prime (120726293) and next prime (120726349).

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

It is not a de Polignac number, because 120726321 - 2⁵ = 120726289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120726291 and 120726300.

It is not an unprimeable number, because it can be changed into a prime (120726721) 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, 2641 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (20129148).

Almost surely, 2^120726321 is an apocalyptic number.

It is an amenable number.

120726321 is a deficient number, since it is larger than the sum of its proper divisors (40306863).

120726321 is a wasteful number, since it uses less digits than its factorization.

120726321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16191.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 120726321 is about 10987.5530032851. The cubic root of 120726321 is about 494.2355591710.

The spelling of 120726321 in words is "one hundred twenty million, seven hundred twenty-six thousand, three hundred twenty-one".