120660751 has 4 divisors (see below), whose sum is σ = 122313712. Its totient is φ = 119007792.

The previous prime is 120660739. The next prime is 120660767. The reversal of 120660751 is 157066021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120660751 - 2⁵ = 120660719 is a prime.

It is a super-4 number, since 4×120660751⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120660721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826371 + ... + 826516.

It is an arithmetic number, because the mean of its divisors is an integer number (30578428).

Almost surely, 2^120660751 is an apocalyptic number.

120660751 is a deficient number, since it is larger than the sum of its proper divisors (1652961).

120660751 is an equidigital number, since it uses as much as digits as its factorization.

120660751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652960.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 120660751 is about 10984.5687671387. The cubic root of 120660751 is about 494.1460650320.

The spelling of 120660751 in words is "one hundred twenty million, six hundred sixty thousand, seven hundred fifty-one".