125266731 has 8 divisors (see below), whose sum is σ = 168129024. Its totient is φ = 82957800.

The previous prime is 125266721. The next prime is 125266741. The reversal of 125266731 is 137662521.

It is an interprime number because it is at equal distance from previous prime (125266721) and next prime (125266741).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-125266731 is a prime.

It is a super-2 number, since 2×125266731² = 31383507790852722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125266692 and 125266701.

It is not an unprimeable number, because it can be changed into a prime (125266711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137811 + ... + 138716.

It is an arithmetic number, because the mean of its divisors is an integer number (21016128).

Almost surely, 2^125266731 is an apocalyptic number.

125266731 is a deficient number, since it is larger than the sum of its proper divisors (42862293).

125266731 is a wasteful number, since it uses less digits than its factorization.

125266731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276681.

The product of its digits is 15120, while the sum is 33.

The square root of 125266731 is about 11192.2621037930. The cubic root of 125266731 is about 500.3553886713.

The spelling of 125266731 in words is "one hundred twenty-five million, two hundred sixty-six thousand, seven hundred thirty-one".