120645670 has 8 divisors (see below), whose sum is σ = 217162224. Its totient is φ = 48258264.

The previous prime is 120645667. The next prime is 120645671. The reversal of 120645670 is 76546021.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120645671) 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, 6032274 + ... + 6032293.

It is an arithmetic number, because the mean of its divisors is an integer number (27145278).

Almost surely, 2^120645670 is an apocalyptic number.

120645670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120645670 is a deficient number, since it is larger than the sum of its proper divisors (96516554).

120645670 is a wasteful number, since it uses less digits than its factorization.

120645670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064574.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 120645670 is about 10983.8822826904. The cubic root of 120645670 is about 494.1254769306.

The spelling of 120645670 in words is "one hundred twenty million, six hundred forty-five thousand, six hundred seventy".