125413440 has 56 divisors (see below), whose sum is σ = 398190720. Its totient is φ = 33443328.

The previous prime is 125413439. The next prime is 125413441. The reversal of 125413440 is 44314521.

It is an interprime number because it is at equal distance from previous prime (125413439) and next prime (125413441).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 125413440.

It is not an unprimeable number, because it can be changed into a prime (125413441) 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, 64360 + ... + 66279.

Almost surely, 2^125413440 is an apocalyptic number.

125413440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125413440 is an abundant number, since it is smaller than the sum of its proper divisors (272777280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125413440 is a wasteful number, since it uses less digits than its factorization.

125413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130659 (or 130649 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 125413440 is about 11198.8142229434. The cubic root of 125413440 is about 500.5506466872.

Adding to 125413440 its reverse (44314521), we get a palindrome (169727961).

The spelling of 125413440 in words is "one hundred twenty-five million, four hundred thirteen thousand, four hundred forty".