120357997 has 4 divisors (see below), whose sum is σ = 120394080. Its totient is φ = 120321916.

The previous prime is 120357973. The next prime is 120358009. The reversal of 120357997 is 799753021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799753021 = 89 ⋅8985989.

It is a cyclic number.

It is not a de Polignac number, because 120357997 - 2¹⁹ = 119833709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120357907) 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, 12463 + ... + 19900.

It is an arithmetic number, because the mean of its divisors is an integer number (30098520).

Almost surely, 2^120357997 is an apocalyptic number.

It is an amenable number.

120357997 is a deficient number, since it is larger than the sum of its proper divisors (36083).

120357997 is an equidigital number, since it uses as much as digits as its factorization.

120357997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36082.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 120357997 is about 10970.7792339469. The cubic root of 120357997 is about 493.7324259728.

The spelling of 120357997 in words is "one hundred twenty million, three hundred fifty-seven thousand, nine hundred ninety-seven".