125798229 has 6 divisors (see below), whose sum is σ = 181708566. Its totient is φ = 83865480.

The previous prime is 125798213. The next prime is 125798237. The reversal of 125798229 is 922897521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 123810129 + 1988100 = 11127^2 + 1410^2 .

It is not a de Polignac number, because 125798229 - 2⁴ = 125798213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125798269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6988782 + ... + 6988799.

It is an arithmetic number, because the mean of its divisors is an integer number (30284761).

Almost surely, 2^125798229 is an apocalyptic number.

It is an amenable number.

125798229 is a deficient number, since it is larger than the sum of its proper divisors (55910337).

125798229 is a wasteful number, since it uses less digits than its factorization.

125798229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13977587 (or 13977584 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 125798229 is about 11215.9809646771. The cubic root of 125798229 is about 501.0620478448.

The spelling of 125798229 in words is "one hundred twenty-five million, seven hundred ninety-eight thousand, two hundred twenty-nine".