125998258 has 8 divisors (see below), whose sum is σ = 193018752. Its totient is φ = 61658676.

The previous prime is 125998241. The next prime is 125998259. The reversal of 125998258 is 852899521.

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

It is a super-2 number, since 2×125998258² = 31751122038069128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125998259) 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, 670110 + ... + 670297.

It is an arithmetic number, because the mean of its divisors is an integer number (24127344).

Almost surely, 2^125998258 is an apocalyptic number.

125998258 is a deficient number, since it is larger than the sum of its proper divisors (67020494).

125998258 is a wasteful number, since it uses less digits than its factorization.

125998258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340456.

The product of its digits is 518400, while the sum is 49.

The square root of 125998258 is about 11224.8945652064. The cubic root of 125998258 is about 501.3274831247.

The spelling of 125998258 in words is "one hundred twenty-five million, nine hundred ninety-eight thousand, two hundred fifty-eight".