125130891 has 8 divisors (see below), whose sum is σ = 166950720. Its totient is φ = 83365832.

The previous prime is 125130877. The next prime is 125130899. The reversal of 125130891 is 198031521.

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 125130891 - 2⁷ = 125130763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125130899) 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, 8025 + ... + 17738.

It is an arithmetic number, because the mean of its divisors is an integer number (20868840).

Almost surely, 2^125130891 is an apocalyptic number.

125130891 is a deficient number, since it is larger than the sum of its proper divisors (41819829).

125130891 is a wasteful number, since it uses less digits than its factorization.

125130891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27385.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 125130891 is about 11186.1919794003. The cubic root of 125130891 is about 500.1744604534.

The spelling of 125130891 in words is "one hundred twenty-five million, one hundred thirty thousand, eight hundred ninety-one".