120728733 has 8 divisors (see below), whose sum is σ = 161212128. Its totient is φ = 80365584.

The previous prime is 120728731. The next prime is 120728737. The reversal of 120728733 is 337827021.

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

It is not a de Polignac number, because 120728733 - 2¹ = 120728731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120728694 and 120728703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120728731) 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, 27691 + ... + 31752.

It is an arithmetic number, because the mean of its divisors is an integer number (20151516).

Almost surely, 2^120728733 is an apocalyptic number.

It is an amenable number.

120728733 is a deficient number, since it is larger than the sum of its proper divisors (40483395).

120728733 is an equidigital number, since it uses as much as digits as its factorization.

120728733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60123.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 120728733 is about 10987.6627632996. The cubic root of 120728733 is about 494.2388506052.

The spelling of 120728733 in words is "one hundred twenty million, seven hundred twenty-eight thousand, seven hundred thirty-three".