125438098 has 4 divisors (see below), whose sum is σ = 188157150. Its totient is φ = 62719048.

The previous prime is 125438081. The next prime is 125438099. The reversal of 125438098 is 890834521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66961489 + 58476609 = 8183^2 + 7647^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 125438098.

It is not an unprimeable number, because it can be changed into a prime (125438099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31359523 + ... + 31359526.

Almost surely, 2^125438098 is an apocalyptic number.

125438098 is a deficient number, since it is larger than the sum of its proper divisors (62719052).

125438098 is an equidigital number, since it uses as much as digits as its factorization.

125438098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62719051.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 125438098 is about 11199.9150889638. The cubic root of 125438098 is about 500.5834495750.

The spelling of 125438098 in words is "one hundred twenty-five million, four hundred thirty-eight thousand, ninety-eight".