120634145 has 4 divisors (see below), whose sum is σ = 144760980. Its totient is φ = 96507312.

The previous prime is 120634133. The next prime is 120634153. The reversal of 120634145 is 541436021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23493409 + 97140736 = 4847^2 + 9856^2 .

It is a cyclic number.

It is not a de Polignac number, because 120634145 - 2¹² = 120630049 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12063410 + ... + 12063419.

It is an arithmetic number, because the mean of its divisors is an integer number (36190245).

Almost surely, 2^120634145 is an apocalyptic number.

It is an amenable number.

120634145 is a deficient number, since it is larger than the sum of its proper divisors (24126835).

120634145 is an equidigital number, since it uses as much as digits as its factorization.

120634145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24126834.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 120634145 is about 10983.3576378082. The cubic root of 120634145 is about 494.1097422108.

The spelling of 120634145 in words is "one hundred twenty million, six hundred thirty-four thousand, one hundred forty-five".