125868193 has 12 divisors (see below), whose sum is σ = 140627284. Its totient is φ = 112543200.

The previous prime is 125868157. The next prime is 125868199. The reversal of 125868193 is 391868521.

It can be written as a sum of positive squares in 2 ways, for example, as 20539024 + 105329169 = 4532^2 + 10263^2 .

It is not a de Polignac number, because 125868193 - 2⁹ = 125867681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125868199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146 + ... + 15907.

Almost surely, 2^125868193 is an apocalyptic number.

It is an amenable number.

125868193 is a deficient number, since it is larger than the sum of its proper divisors (14759091).

125868193 is a wasteful number, since it uses less digits than its factorization.

125868193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17136 (or 17125 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 125868193 is about 11219.0994736654. The cubic root of 125868193 is about 501.1549209280.

The spelling of 125868193 in words is "one hundred twenty-five million, eight hundred sixty-eight thousand, one hundred ninety-three".