125210400 has 288 divisors, whose sum is σ = 483719040. Its totient is φ = 27525120.

The previous prime is 125210387. The next prime is 125210411. The reversal of 125210400 is 4012521.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 125210400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487072 + ... + 487328.

It is an arithmetic number, because the mean of its divisors is an integer number (1679580).

Almost surely, 2^125210400 is an apocalyptic number.

125210400 is a gapful number since it is divisible by the number (10) 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 125210400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241859520).

125210400 is an abundant number, since it is smaller than the sum of its proper divisors (358508640).

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

125210400 is a wasteful number, since it uses less digits than its factorization.

125210400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 125210400 is about 11189.7453054125. The cubic root of 125210400 is about 500.2803760825.

Adding to 125210400 its reverse (4012521), we get a palindrome (129222921).

The spelling of 125210400 in words is "one hundred twenty-five million, two hundred ten thousand, four hundred".