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125898 = 2320983

125898 has 8 divisors (see below), whose sum is σ = 251808. Its totient is φ = 41964.

The previous prime is 125897. The next prime is 125899. The reversal of 125898 is 898521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125897) and next prime (125899).

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

125898 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125898.

It is not an unprimeable number, because it can be changed into a prime (125897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10486 + ... + 10497.

It is an arithmetic number, because the mean of its divisors is an integer number (31476).

2125898 is an apocalyptic number.

125898 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.

125898 is a wasteful number, since it uses less digits than its factorization.

125898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20988.

The product of its digits is 5760, while the sum is 33.

The square root of 125898 is about 354.8210816736. The cubic root of 125898 is about 50.1194477508.

The spelling of 125898 in words is "one hundred twenty-five thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 20983 41966 62949 125898