125442113200 has 60 divisors (see below), whose sum is σ = 301866905968. Its totient is φ = 50094892800.

The previous prime is 125442113143. The next prime is 125442113207. The reversal of 125442113200 is 2311244521.

It is a super-2 number, since 2×125442113200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (125442113207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10596 + ... + 500995.

Almost surely, 2^125442113200 is an apocalyptic number.

125442113200 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 125442113200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150933452984).

125442113200 is an abundant number, since it is smaller than the sum of its proper divisors (176424792768).

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

125442113200 is a wasteful number, since it uses less digits than its factorization.

125442113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512222 (or 512211 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 125442113200 its reverse (2311244521), we get a palindrome (127753357721).

It can be divided in two parts, 1254421 and 13200, that added together give a palindrome (1267621).

The spelling of 125442113200 in words is "one hundred twenty-five billion, four hundred forty-two million, one hundred thirteen thousand, two hundred".