125046609 has 4 divisors (see below), whose sum is σ = 166728816. Its totient is φ = 83364404.

The previous prime is 125046587. The next prime is 125046629. The reversal of 125046609 is 906640521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125046609 - 2¹⁵ = 125013841 is a prime.

It is a super-3 number, since 3×125046609³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125046609.

It is not an unprimeable number, because it can be changed into a prime (125046629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20841099 + ... + 20841104.

It is an arithmetic number, because the mean of its divisors is an integer number (41682204).

Almost surely, 2^125046609 is an apocalyptic number.

It is an amenable number.

125046609 is a deficient number, since it is larger than the sum of its proper divisors (41682207).

125046609 is an equidigital number, since it uses as much as digits as its factorization.

125046609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41682206.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 125046609 is about 11182.4241110772. The cubic root of 125046609 is about 500.0621376108.

The spelling of 125046609 in words is "one hundred twenty-five million, forty-six thousand, six hundred nine".