125401400 has 48 divisors (see below), whose sum is σ = 292380840. Its totient is φ = 50019200.

The previous prime is 125401379. The next prime is 125401403. The reversal of 125401400 is 4104521.

It is a super-3 number, since 3×125401400³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125401403) 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, 97562 + ... + 98838.

Almost surely, 2^125401400 is an apocalyptic number.

125401400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125401400 is an abundant number, since it is smaller than the sum of its proper divisors (166979440).

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

125401400 is a wasteful number, since it uses less digits than its factorization.

125401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 125401400 is about 11198.2766531284. The cubic root of 125401400 is about 500.5346281418.

Adding to 125401400 its reverse (4104521), we get a palindrome (129505921).

The spelling of 125401400 in words is "one hundred twenty-five million, four hundred one thousand, four hundred".