125064918 has 64 divisors (see below), whose sum is σ = 304611840. Its totient is φ = 37720800.

The previous prime is 125064911. The next prime is 125064923. The reversal of 125064918 is 819460521.

125064918 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 649 + 1 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125064911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184396 + ... + 185072.

It is an arithmetic number, because the mean of its divisors is an integer number (4759560).

Almost surely, 2^125064918 is an apocalyptic number.

125064918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125064918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152305920).

125064918 is an abundant number, since it is smaller than the sum of its proper divisors (179546922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125064918 is a wasteful number, since it uses less digits than its factorization.

125064918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 125064918 is about 11183.2427318734. The cubic root of 125064918 is about 500.0865423533.

It can be divided in two parts, 12506 and 4918, that added together give a square (17424 = 132²).

The spelling of 125064918 in words is "one hundred twenty-five million, sixty-four thousand, nine hundred eighteen".