120125881 has 8 divisors (see below), whose sum is σ = 122263560. Its totient is φ = 118005888.

The previous prime is 120125879. The next prime is 120125921. The reversal of 120125881 is 188521021.

It can be written as a sum of positive squares in 4 ways, for example, as 6170256 + 113955625 = 2484^2 + 10675^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120125881 - 2¹ = 120125879 is a prime.

It is a super-2 number, since 2×120125881² = 28860454572052322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120125851) 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, 9675 + ... + 18271.

It is an arithmetic number, because the mean of its divisors is an integer number (15282945).

Almost surely, 2^120125881 is an apocalyptic number.

It is an amenable number.

120125881 is a deficient number, since it is larger than the sum of its proper divisors (2137679).

120125881 is an equidigital number, since it uses as much as digits as its factorization.

120125881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 120125881 is about 10960.1952993548. The cubic root of 120125881 is about 493.4148263943.

The spelling of 120125881 in words is "one hundred twenty million, one hundred twenty-five thousand, eight hundred eighty-one".