5129668 has 6 divisors (see below), whose sum is σ = 8976926. Its totient is φ = 2564832.

The previous prime is 5129659. The next prime is 5129671. The reversal of 5129668 is 8669215.

It can be written as a sum of positive squares in only one way, i.e., 4460544 + 669124 = 2112^2 + 818^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641205 + ... + 641212.

Almost surely, 2^5129668 is an apocalyptic number.

It is an amenable number.

5129668 is a deficient number, since it is larger than the sum of its proper divisors (3847258).

5129668 is a wasteful number, since it uses less digits than its factorization.

5129668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282421 (or 1282419 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 5129668 is about 2264.8770386050. The cubic root of 5129668 is about 172.4631917543.

The spelling of 5129668 in words is "five million, one hundred twenty-nine thousand, six hundred sixty-eight".