125105716 has 6 divisors (see below), whose sum is σ = 218935010. Its totient is φ = 62552856.

The previous prime is 125105711. The next prime is 125105723. The reversal of 125105716 is 617501521.

It can be written as a sum of positive squares in only one way, i.e., 105267600 + 19838116 = 10260^2 + 4454^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125105711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15638211 + ... + 15638218.

Almost surely, 2^125105716 is an apocalyptic number.

It is an amenable number.

125105716 is a deficient number, since it is larger than the sum of its proper divisors (93829294).

125105716 is a wasteful number, since it uses less digits than its factorization.

125105716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31276433 (or 31276431 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 125105716 is about 11185.0666515672. The cubic root of 125105716 is about 500.1409149489.

The spelling of 125105716 in words is "one hundred twenty-five million, one hundred five thousand, seven hundred sixteen".