120166451 has 8 divisors (see below), whose sum is σ = 123034944. Its totient is φ = 117311040.

The previous prime is 120166441. The next prime is 120166463. The reversal of 120166451 is 154661021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120166451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120166451.

It is not an unprimeable number, because it can be changed into a prime (120166411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16751 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (15379368).

Almost surely, 2^120166451 is an apocalyptic number.

120166451 is a deficient number, since it is larger than the sum of its proper divisors (2868493).

120166451 is an equidigital number, since it uses as much as digits as its factorization.

120166451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 120166451 is about 10962.0459313032. The cubic root of 120166451 is about 493.4703669828.

The spelling of 120166451 in words is "one hundred twenty million, one hundred sixty-six thousand, four hundred fifty-one".