1240522244939 has 2 divisors, whose sum is σ = 1240522244940. Its totient is φ = 1240522244938.

The previous prime is 1240522244921. The next prime is 1240522245013. The reversal of 1240522244939 is 9394422250421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240522244939 is a prime.

It is a super-2 number, since 2×1240522244939² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1240522244893 and 1240522244902.

It is not a weakly prime, because it can be changed into another prime (1240522244539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620261122469 + 620261122470.

It is an arithmetic number, because the mean of its divisors is an integer number (620261122470).

Almost surely, 2^{1240522244939} is an apocalyptic number.

1240522244939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240522244939 is an equidigital number, since it uses as much as digits as its factorization.

1240522244939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 1240522244939 in words is "one trillion, two hundred forty billion, five hundred twenty-two million, two hundred forty-four thousand, nine hundred thirty-nine".