125400054 has 32 divisors (see below), whose sum is σ = 272240640. Its totient is φ = 38277792.

The previous prime is 125400047. The next prime is 125400151. The reversal of 125400054 is 450004521.

It is a self number, because there is not a number n which added to its sum of digits gives 125400054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3577 + ... + 16235.

It is an arithmetic number, because the mean of its divisors is an integer number (8507520).

Almost surely, 2^125400054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125400054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136120320).

125400054 is an abundant number, since it is smaller than the sum of its proper divisors (146840586).

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

125400054 is a wasteful number, since it uses less digits than its factorization.

125400054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12804.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 125400054 is about 11198.2165544340. The cubic root of 125400054 is about 500.5328373004.

Adding to 125400054 its reverse (450004521), we get a palindrome (575404575).

The spelling of 125400054 in words is "one hundred twenty-five million, four hundred thousand, fifty-four".