120981697 has 4 divisors (see below), whose sum is σ = 121724080. Its totient is φ = 120239316.

The previous prime is 120981671. The next prime is 120981701. The reversal of 120981697 is 796189021.

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.

It is a cyclic number.

It is not a de Polignac number, because 120981697 - 2¹⁵ = 120948929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120984697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370947 + ... + 371272.

It is an arithmetic number, because the mean of its divisors is an integer number (30431020).

Almost surely, 2^120981697 is an apocalyptic number.

It is an amenable number.

120981697 is a deficient number, since it is larger than the sum of its proper divisors (742383).

120981697 is an equidigital number, since it uses as much as digits as its factorization.

120981697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742382.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 120981697 is about 10999.1680139909. The cubic root of 120981697 is about 494.5838041586.

The spelling of 120981697 in words is "one hundred twenty million, nine hundred eighty-one thousand, six hundred ninety-seven".