5122731 has 4 divisors (see below), whose sum is σ = 6830312. Its totient is φ = 3415152.

The previous prime is 5122727. The next prime is 5122739. The reversal of 5122731 is 1372215.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5122731 - 2² = 5122727 is a prime.

It is a super-2 number, since 2×5122731² = 52484745796722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5122698 and 5122707.

It is not an unprimeable number, because it can be changed into a prime (5122739) 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, 853786 + ... + 853791.

It is an arithmetic number, because the mean of its divisors is an integer number (1707578).

Almost surely, 2^5122731 is an apocalyptic number.

5122731 is a deficient number, since it is larger than the sum of its proper divisors (1707581).

5122731 is a wasteful number, since it uses less digits than its factorization.

5122731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707580.

The product of its digits is 420, while the sum is 21.

The square root of 5122731 is about 2263.3450907893. The cubic root of 5122731 is about 172.3854143448.

Adding to 5122731 its reverse (1372215), we get a palindrome (6494946).

The spelling of 5122731 in words is "five million, one hundred twenty-two thousand, seven hundred thirty-one".