125395554 has 16 divisors (see below), whose sum is σ = 263990880. Its totient is φ = 39598560.

The previous prime is 125395541. The next prime is 125395559. The reversal of 125395554 is 455593521.

It is not an unprimeable number, because it can be changed into a prime (125395559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549867 + ... + 550094.

It is an arithmetic number, because the mean of its divisors is an integer number (16499430).

Almost surely, 2^125395554 is an apocalyptic number.

125395554 is an abundant number, since it is smaller than the sum of its proper divisors (138595326).

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

125395554 is a wasteful number, since it uses less digits than its factorization.

125395554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099985.

The product of its digits is 135000, while the sum is 39.

The square root of 125395554 is about 11198.0156277798. The cubic root of 125395554 is about 500.5268499965.

The spelling of 125395554 in words is "one hundred twenty-five million, three hundred ninety-five thousand, five hundred fifty-four".