125312263 has 8 divisors (see below), whose sum is σ = 126849632. Its totient is φ = 123780096.

The previous prime is 125312251. The next prime is 125312309. The reversal of 125312263 is 362213521.

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

It is a cyclic number.

It is not a de Polignac number, because 125312263 - 2¹³ = 125304071 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 (125312203) 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, 69631 + ... + 71407.

It is an arithmetic number, because the mean of its divisors is an integer number (15856204).

Almost surely, 2^125312263 is an apocalyptic number.

125312263 is a deficient number, since it is larger than the sum of its proper divisors (1537369).

125312263 is an equidigital number, since it uses as much as digits as its factorization.

125312263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601.

The product of its digits is 2160, while the sum is 25.

The square root of 125312263 is about 11194.2960028758. The cubic root of 125312263 is about 500.4160044513.

Adding to 125312263 its reverse (362213521), we get a palindrome (487525784).

The spelling of 125312263 in words is "one hundred twenty-five million, three hundred twelve thousand, two hundred sixty-three".