125513241 has 8 divisors (see below), whose sum is σ = 191258304. Its totient is φ = 71721840.

The previous prime is 125513239. The next prime is 125513249. The reversal of 125513241 is 142315521.

It is a happy number.

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

It is not a de Polignac number, because 125513241 - 2¹ = 125513239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125513249) 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, 2988390 + ... + 2988431.

It is an arithmetic number, because the mean of its divisors is an integer number (23907288).

Almost surely, 2^125513241 is an apocalyptic number.

It is an amenable number.

125513241 is a deficient number, since it is larger than the sum of its proper divisors (65745063).

125513241 is an equidigital number, since it uses as much as digits as its factorization.

125513241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976831.

The product of its digits is 1200, while the sum is 24.

The square root of 125513241 is about 11203.2692103689. The cubic root of 125513241 is about 500.6833868726.

Adding to 125513241 its reverse (142315521), we get a palindrome (267828762).

The spelling of 125513241 in words is "one hundred twenty-five million, five hundred thirteen thousand, two hundred forty-one".