125313287 has 12 divisors (see below), whose sum is σ = 138018888. Its totient is φ = 113691600.

The previous prime is 125313283. The next prime is 125313301. The reversal of 125313287 is 782313521.

It is not a de Polignac number, because 125313287 - 2² = 125313283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125313281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97493 + ... + 98769.

It is an arithmetic number, because the mean of its divisors is an integer number (11501574).

Almost surely, 2^125313287 is an apocalyptic number.

125313287 is a deficient number, since it is larger than the sum of its proper divisors (12705601).

125313287 is a wasteful number, since it uses less digits than its factorization.

125313287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2099 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 125313287 is about 11194.3417403615. The cubic root of 125313287 is about 500.4173675118.

The spelling of 125313287 in words is "one hundred twenty-five million, three hundred thirteen thousand, two hundred eighty-seven".