125309026 has 8 divisors (see below), whose sum is σ = 190538604. Its totient is φ = 61796160.

The previous prime is 125308993. The next prime is 125309027. The reversal of 125309026 is 620903521.

It can be written as a sum of positive squares in 2 ways, for example, as 113742225 + 11566801 = 10665^2 + 3401^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 125308985 and 125309003.

It is not an unprimeable number, because it can be changed into a prime (125309027) 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, 428995 + ... + 429286.

Almost surely, 2^125309026 is an apocalyptic number.

125309026 is a deficient number, since it is larger than the sum of its proper divisors (65229578).

125309026 is an equidigital number, since it uses as much as digits as its factorization.

125309026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858356.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 125309026 is about 11194.1514193797. The cubic root of 125309026 is about 500.4116955871.

The spelling of 125309026 in words is "one hundred twenty-five million, three hundred nine thousand, twenty-six".