125691700 has 18 divisors (see below), whose sum is σ = 272751206. Its totient is φ = 50276640.

The previous prime is 125691641. The next prime is 125691703. The reversal of 125691700 is 7196521.

It can be written as a sum of positive squares in 3 ways, for example, as 1547536 + 124144164 = 1244^2 + 11142^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125691703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628359 + ... + 628558.

Almost surely, 2^125691700 is an apocalyptic number.

125691700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125691700 is an abundant number, since it is smaller than the sum of its proper divisors (147059506).

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

125691700 is a wasteful number, since it uses less digits than its factorization.

125691700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256931 (or 1256924 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 125691700 is about 11211.2309761239. The cubic root of 125691700 is about 500.9205707256.

The spelling of 125691700 in words is "one hundred twenty-five million, six hundred ninety-one thousand, seven hundred".