125712653 has 4 divisors (see below), whose sum is σ = 137141088. Its totient is φ = 114284220.

The previous prime is 125712649. The next prime is 125712659. The reversal of 125712653 is 356217521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125712653 - 2² = 125712649 is a prime.

It is a super-2 number, since 2×125712653² = 31607342248596818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125712659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5714201 + ... + 5714222.

It is an arithmetic number, because the mean of its divisors is an integer number (34285272).

Almost surely, 2^125712653 is an apocalyptic number.

It is an amenable number.

125712653 is a deficient number, since it is larger than the sum of its proper divisors (11428435).

125712653 is a wasteful number, since it uses less digits than its factorization.

125712653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11428434.

The product of its digits is 12600, while the sum is 32.

The square root of 125712653 is about 11212.1654019195. The cubic root of 125712653 is about 500.9484039226.

The spelling of 125712653 in words is "one hundred twenty-five million, seven hundred twelve thousand, six hundred fifty-three".