120695691 has 4 divisors (see below), whose sum is σ = 160927592. Its totient is φ = 80463792.

The previous prime is 120695633. The next prime is 120695693. The reversal of 120695691 is 196596021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120695691 - 2¹⁰ = 120694667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120695693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20115946 + ... + 20115951.

It is an arithmetic number, because the mean of its divisors is an integer number (40231898).

Almost surely, 2^120695691 is an apocalyptic number.

120695691 is a deficient number, since it is larger than the sum of its proper divisors (40231901).

120695691 is an equidigital number, since it uses as much as digits as its factorization.

120695691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40231900.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 120695691 is about 10986.1590649326. The cubic root of 120695691 is about 494.1937574177.

The spelling of 120695691 in words is "one hundred twenty million, six hundred ninety-five thousand, six hundred ninety-one".