125535558 has 16 divisors (see below), whose sum is σ = 251181360. Its totient is φ = 41826816.

The previous prime is 125535551. The next prime is 125535559. The reversal of 125535558 is 855535521.

It is a happy number.

It is a super-3 number, since 3×125535558³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125535551) 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, 22558 + ... + 27566.

It is an arithmetic number, because the mean of its divisors is an integer number (15698835).

Almost surely, 2^125535558 is an apocalyptic number.

125535558 is an abundant number, since it is smaller than the sum of its proper divisors (125645802).

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

125535558 is a wasteful number, since it uses less digits than its factorization.

125535558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191.

The product of its digits is 150000, while the sum is 39.

The square root of 125535558 is about 11204.2651700145. The cubic root of 125535558 is about 500.7130599410.

The spelling of 125535558 in words is "one hundred twenty-five million, five hundred thirty-five thousand, five hundred fifty-eight".