125301513 has 4 divisors (see below), whose sum is σ = 167068688. Its totient is φ = 83534340.

The previous prime is 125301479. The next prime is 125301521. The reversal of 125301513 is 315103521.

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 not a de Polignac number, because 125301513 - 2¹³ = 125293321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125301513.

It is not an unprimeable number, because it can be changed into a prime (125301563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20883583 + ... + 20883588.

It is an arithmetic number, because the mean of its divisors is an integer number (41767172).

Almost surely, 2^125301513 is an apocalyptic number.

It is an amenable number.

125301513 is a deficient number, since it is larger than the sum of its proper divisors (41767175).

125301513 is an equidigital number, since it uses as much as digits as its factorization.

125301513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41767174.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 125301513 is about 11193.8158373273. The cubic root of 125301513 is about 500.4016945299.

The spelling of 125301513 in words is "one hundred twenty-five million, three hundred one thousand, five hundred thirteen".