125633998 has 8 divisors (see below), whose sum is σ = 215372592. Its totient is φ = 53843136.

The previous prime is 125633987. The next prime is 125633999. The reversal of 125633998 is 899336521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125633999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4486915 + ... + 4486942.

It is an arithmetic number, because the mean of its divisors is an integer number (26921574).

Almost surely, 2^125633998 is an apocalyptic number.

125633998 is a deficient number, since it is larger than the sum of its proper divisors (89738594).

125633998 is an equidigital number, since it uses as much as digits as its factorization.

125633998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973866.

The product of its digits is 349920, while the sum is 46.

The square root of 125633998 is about 11208.6572790857. The cubic root of 125633998 is about 500.8439055123.

It can be divided in two parts, 12563 and 3998, that added together give a palindrome (16561).

The spelling of 125633998 in words is "one hundred twenty-five million, six hundred thirty-three thousand, nine hundred ninety-eight".