5121699 has 8 divisors (see below), whose sum is σ = 7449792. Its totient is φ = 3104040.

The previous prime is 5121691. The next prime is 5121703. The reversal of 5121699 is 9961215.

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

It is not a de Polignac number, because 5121699 - 2³ = 5121691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 155203 = 5121699 / (5 + 1 + 2 + 1 + 6 + 9 + 9).

It is not an unprimeable number, because it can be changed into a prime (5121691) 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, 77569 + ... + 77634.

It is an arithmetic number, because the mean of its divisors is an integer number (931224).

Almost surely, 2^5121699 is an apocalyptic number.

5121699 is a deficient number, since it is larger than the sum of its proper divisors (2328093).

5121699 is a wasteful number, since it uses less digits than its factorization.

5121699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155217.

The product of its digits is 4860, while the sum is 33.

The square root of 5121699 is about 2263.1170981635. The cubic root of 5121699 is about 172.3738375970.

It can be divided in two parts, 51216 and 99, that added together give a palindrome (51315).

The spelling of 5121699 in words is "five million, one hundred twenty-one thousand, six hundred ninety-nine".