120645867 has 8 divisors (see below), whose sum is σ = 160916800. Its totient is φ = 80402760.

The previous prime is 120645841. The next prime is 120645871. The reversal of 120645867 is 768546021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120645867 - 2²⁴ = 103868651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120645067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7392 + ... + 17202.

It is an arithmetic number, because the mean of its divisors is an integer number (20114600).

Almost surely, 2^120645867 is an apocalyptic number.

120645867 is a deficient number, since it is larger than the sum of its proper divisors (40270933).

120645867 is an equidigital number, since it uses as much as digits as its factorization.

120645867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13913.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 120645867 is about 10983.8912503721. The cubic root of 120645867 is about 494.1257458798.

The spelling of 120645867 in words is "one hundred twenty million, six hundred forty-five thousand, eight hundred sixty-seven".