5129945 has 8 divisors (see below), whose sum is σ = 6177600. Its totient is φ = 4089520.

The previous prime is 5129933. The next prime is 5129947. The reversal of 5129945 is 5499215.

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

It is not a de Polignac number, because 5129945 - 2¹⁸ = 4867801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5129947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95 + ... + 3204.

It is an arithmetic number, because the mean of its divisors is an integer number (772200).

Almost surely, 2^5129945 is an apocalyptic number.

It is an amenable number.

5129945 is a deficient number, since it is larger than the sum of its proper divisors (1047655).

5129945 is a wasteful number, since it uses less digits than its factorization.

5129945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615.

The product of its digits is 16200, while the sum is 35.

The square root of 5129945 is about 2264.9381890021. The cubic root of 5129945 is about 172.4662960127.

The spelling of 5129945 in words is "five million, one hundred twenty-nine thousand, nine hundred forty-five".