125400044 has 36 divisors (see below), whose sum is σ = 275680272. Its totient is φ = 48855840.

The previous prime is 125400029. The next prime is 125400047. The reversal of 125400044 is 440004521.

It is a junction number, because it is equal to n+sod(n) for n = 125399989 and 125400025.

It is not an unprimeable number, because it can be changed into a prime (125400047) 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, 15119 + ... + 21894.

Almost surely, 2^125400044 is an apocalyptic number.

125400044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125400044 is an abundant number, since it is smaller than the sum of its proper divisors (150280228).

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

125400044 is a wasteful number, since it uses less digits than its factorization.

125400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37046 (or 37033 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 125400044 is about 11198.2161079343. The cubic root of 125400044 is about 500.5328239955.

Adding to 125400044 its reverse (440004521), we get a palindrome (565404565).

The spelling of 125400044 in words is "one hundred twenty-five million, four hundred thousand, forty-four".