120691679 has 2 divisors, whose sum is σ = 120691680. Its totient is φ = 120691678.

The previous prime is 120691663. The next prime is 120691691. The reversal of 120691679 is 976196021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120691679 - 2⁴ = 120691663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120691609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60345839 + 60345840.

It is an arithmetic number, because the mean of its divisors is an integer number (60345840).

Almost surely, 2^120691679 is an apocalyptic number.

120691679 is a deficient number, since it is larger than the sum of its proper divisors (1).

120691679 is an equidigital number, since it uses as much as digits as its factorization.

120691679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 120691679 is about 10985.9764700276. The cubic root of 120691679 is about 494.1882815875.

The spelling of 120691679 in words is "one hundred twenty million, six hundred ninety-one thousand, six hundred seventy-nine".