5122739 has 2 divisors, whose sum is σ = 5122740. Its totient is φ = 5122738.

The previous prime is 5122727. The next prime is 5122757. The reversal of 5122739 is 9372215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5122739 - 2¹⁶ = 5057203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5122759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561369 + 2561370.

It is an arithmetic number, because the mean of its divisors is an integer number (2561370).

Almost surely, 2^5122739 is an apocalyptic number.

5122739 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122739 is an equidigital number, since it uses as much as digits as its factorization.

5122739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 5122739 is about 2263.3468580843. The cubic root of 5122739 is about 172.3855040810.

The spelling of 5122739 in words is "five million, one hundred twenty-two thousand, seven hundred thirty-nine".