125224554 has 64 divisors (see below), whose sum is σ = 324495360. Its totient is φ = 31285440.

The previous prime is 125224553. The next prime is 125224577. The reversal of 125224554 is 455422521.

It is not an unprimeable number, because it can be changed into a prime (125224553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4339 + ... + 16409.

It is an arithmetic number, because the mean of its divisors is an integer number (5070240).

Almost surely, 2^125224554 is an apocalyptic number.

125224554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125224554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162247680).

125224554 is an abundant number, since it is smaller than the sum of its proper divisors (199270806).

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

125224554 is a wasteful number, since it uses less digits than its factorization.

125224554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115.

The product of its digits is 16000, while the sum is 30.

The square root of 125224554 is about 11190.3777416136. The cubic root of 125224554 is about 500.2992262249.

The spelling of 125224554 in words is "one hundred twenty-five million, two hundred twenty-four thousand, five hundred fifty-four".