125104881 has 16 divisors (see below), whose sum is σ = 186890688. Its totient is φ = 73771200.

The previous prime is 125104867. The next prime is 125104891. The reversal of 125104881 is 188401521.

It is a happy number.

It is not a de Polignac number, because 125104881 - 2⁵ = 125104849 is a prime.

It is a super-2 number, since 2×125104881² = 31302462500048322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125104841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50010 + ... + 52451.

It is an arithmetic number, because the mean of its divisors is an integer number (11680668).

Almost surely, 2^125104881 is an apocalyptic number.

125104881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125104881 is a deficient number, since it is larger than the sum of its proper divisors (61785807).

125104881 is a wasteful number, since it uses less digits than its factorization.

125104881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102512.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 125104881 is about 11185.0293249504. The cubic root of 125104881 is about 500.1398022404.

It can be divided in two parts, 12510 and 4881, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 125104881 in words is "one hundred twenty-five million, one hundred four thousand, eight hundred eighty-one".