120372689 has 2 divisors, whose sum is σ = 120372690. Its totient is φ = 120372688.

The previous prime is 120372677. The next prime is 120372739. The reversal of 120372689 is 986273021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 38651089 = 9040^2 + 6217^2 .

It is an emirp because it is prime and its reverse (986273021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120372689 - 2⁴ = 120372673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120372089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60186344 + 60186345.

It is an arithmetic number, because the mean of its divisors is an integer number (60186345).

Almost surely, 2^120372689 is an apocalyptic number.

It is an amenable number.

120372689 is a deficient number, since it is larger than the sum of its proper divisors (1).

120372689 is an equidigital number, since it uses as much as digits as its factorization.

120372689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 120372689 is about 10971.4488104352. The cubic root of 120372689 is about 493.7525149901.

The spelling of 120372689 in words is "one hundred twenty million, three hundred seventy-two thousand, six hundred eighty-nine".