881394125 has 8 divisors (see below), whose sum is σ = 1099980024. Its totient is φ = 705115200.

The previous prime is 881394119. The next prime is 881394127. The reversal of 881394125 is 521493188.

It can be written as a sum of positive squares in 4 ways, for example, as 120406729 + 760987396 = 10973^2 + 27586^2 .

It is not a de Polignac number, because 881394125 - 2²² = 877199821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881394127) 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, 3525452 + ... + 3525701.

It is an arithmetic number, because the mean of its divisors is an integer number (137497503).

Almost surely, 2^881394125 is an apocalyptic number.

It is an amenable number.

881394125 is a deficient number, since it is larger than the sum of its proper divisors (218585899).

881394125 is an equidigital number, since it uses as much as digits as its factorization.

881394125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7051168 (or 7051158 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 881394125 is about 29688.2826212632. The cubic root of 881394125 is about 958.7897527638.

The spelling of 881394125 in words is "eight hundred eighty-one million, three hundred ninety-four thousand, one hundred twenty-five".