5129109 has 8 divisors (see below), whose sum is σ = 7598720. Its totient is φ = 3419388.

The previous prime is 5129101. The next prime is 5129129. The reversal of 5129109 is 9019215.

It is a happy number.

It is not a de Polignac number, because 5129109 - 2³ = 5129101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 189967 = 5129109 / (5 + 1 + 2 + 9 + 1 + 0 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5129101) 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 7 ways as a sum of consecutive naturals, for example, 94957 + ... + 95010.

It is an arithmetic number, because the mean of its divisors is an integer number (949840).

Almost surely, 2^5129109 is an apocalyptic number.

It is an amenable number.

5129109 is a deficient number, since it is larger than the sum of its proper divisors (2469611).

5129109 is a wasteful number, since it uses less digits than its factorization.

5129109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189976 (or 189970 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 5129109 is about 2264.7536289848. The cubic root of 5129109 is about 172.4569268637.

The spelling of 5129109 in words is "five million, one hundred twenty-nine thousand, one hundred nine".