120757913 has 2 divisors, whose sum is σ = 120757914. Its totient is φ = 120757912.

The previous prime is 120757909. The next prime is 120757933. The reversal of 120757913 is 319757021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116035984 + 4721929 = 10772^2 + 2173^2 .

It is an emirp because it is prime and its reverse (319757021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120757913 - 2² = 120757909 is a prime.

It is not a weakly prime, because it can be changed into another prime (120757933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60378956 + 60378957.

It is an arithmetic number, because the mean of its divisors is an integer number (60378957).

Almost surely, 2^120757913 is an apocalyptic number.

It is an amenable number.

120757913 is a deficient number, since it is larger than the sum of its proper divisors (1).

120757913 is an equidigital number, since it uses as much as digits as its factorization.

120757913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 120757913 is about 10988.9905359865. The cubic root of 120757913 is about 494.2786663904.

The spelling of 120757913 in words is "one hundred twenty million, seven hundred fifty-seven thousand, nine hundred thirteen".