125213424 has 120 divisors (see below), whose sum is σ = 379975680. Its totient is φ = 35425152.

The previous prime is 125213411. The next prime is 125213461. The reversal of 125213424 is 424312521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125213394 and 125213403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326737 + ... + 327119.

It is an arithmetic number, because the mean of its divisors is an integer number (3166464).

Almost surely, 2^125213424 is an apocalyptic number.

125213424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125213424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189987840).

125213424 is an abundant number, since it is smaller than the sum of its proper divisors (254762256).

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

125213424 is a wasteful number, since it uses less digits than its factorization.

125213424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 534 counting only the distinct ones).

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

The square root of 125213424 is about 11189.8804283156. The cubic root of 125213424 is about 500.2844035319.

Adding to 125213424 its reverse (424312521), we get a palindrome (549525945).

The spelling of 125213424 in words is "one hundred twenty-five million, two hundred thirteen thousand, four hundred twenty-four".