120666737 has 8 divisors (see below), whose sum is σ = 122621256. Its totient is φ = 118720512.

The previous prime is 120666713. The next prime is 120666757. The reversal of 120666737 is 737666021.

It can be written as a sum of positive squares in 4 ways, for example, as 8814961 + 111851776 = 2969^2 + 10576^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120666737 - 2²⁴ = 103889521 is a prime.

It is a super-2 number, since 2×120666737² = 29120922836454338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120666737.

It is not an unprimeable number, because it can be changed into a prime (120666757) 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, 31553 + ... + 35169.

It is an arithmetic number, because the mean of its divisors is an integer number (15327657).

Almost surely, 2^120666737 is an apocalyptic number.

It is an amenable number.

120666737 is a deficient number, since it is larger than the sum of its proper divisors (1954519).

120666737 is an equidigital number, since it uses as much as digits as its factorization.

120666737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 120666737 is about 10984.8412369046. The cubic root of 120666737 is about 494.1542364531.

The spelling of 120666737 in words is "one hundred twenty million, six hundred sixty-six thousand, seven hundred thirty-seven".