125842818 has 8 divisors (see below), whose sum is σ = 251685648. Its totient is φ = 41947604.

The previous prime is 125842793. The next prime is 125842831. The reversal of 125842818 is 818248521.

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

125842818 is an admirable number.

It is a super-2 number, since 2×125842818² = 31672829684362248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10486896 + ... + 10486907.

It is an arithmetic number, because the mean of its divisors is an integer number (31460706).

Almost surely, 2^125842818 is an apocalyptic number.

125842818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125842818 is a wasteful number, since it uses less digits than its factorization.

125842818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20973808.

The product of its digits is 40960, while the sum is 39.

The square root of 125842818 is about 11217.9685326711. The cubic root of 125842818 is about 501.1212410907.

The spelling of 125842818 in words is "one hundred twenty-five million, eight hundred forty-two thousand, eight hundred eighteen".