125421376 has 42 divisors (see below), whose sum is σ = 264423398. Its totient is φ = 59013120.

The previous prime is 125421353. The next prime is 125421403. The reversal of 125421376 is 673124521.

It can be written as a sum of positive squares in 3 ways, for example, as 46566976 + 78854400 = 6824^2 + 8880^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15106 + ... + 21886.

Almost surely, 2^125421376 is an apocalyptic number.

125421376 is a gapful number since it is divisible by the number (16) 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 125421376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132211699).

125421376 is an abundant number, since it is smaller than the sum of its proper divisors (139002022).

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

125421376 is an equidigital number, since it uses as much as digits as its factorization.

125421376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827 (or 6800 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 125421376 is about 11199.1685405659. The cubic root of 125421376 is about 500.5612045299.

Adding to 125421376 its reverse (673124521), we get a palindrome (798545897).

The spelling of 125421376 in words is "one hundred twenty-five million, four hundred twenty-one thousand, three hundred seventy-six".