125126694 has 120 divisors (see below), whose sum is σ = 356050728. Its totient is φ = 32477760.

The previous prime is 125126663. The next prime is 125126731. The reversal of 125126694 is 496621521.

125126694 = 187² + 188² + ... + 725².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 86602 + ... + 88034.

Almost surely, 2^125126694 is an apocalyptic number.

125126694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125126694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178025364).

125126694 is an abundant number, since it is smaller than the sum of its proper divisors (230924034).

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

125126694 is a wasteful number, since it uses less digits than its factorization.

125126694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1456 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 125126694 is about 11186.0043804747. The cubic root of 125126694 is about 500.1688682939.

The spelling of 125126694 in words is "one hundred twenty-five million, one hundred twenty-six thousand, six hundred ninety-four".