1254120411013 has 2 divisors, whose sum is σ = 1254120411014. Its totient is φ = 1254120411012.

The previous prime is 1254120411007. The next prime is 1254120411043. The reversal of 1254120411013 is 3101140214521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808600205284 + 445520205729 = 899222^2 + 667473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254120411013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254120411043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627060205506 + 627060205507.

It is an arithmetic number, because the mean of its divisors is an integer number (627060205507).

Almost surely, 2^{1254120411013} is an apocalyptic number.

It is an amenable number.

1254120411013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254120411013 is an equidigital number, since it uses as much as digits as its factorization.

1254120411013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 1254120411013 its reverse (3101140214521), we get a palindrome (4355260625534).

The spelling of 1254120411013 in words is "one trillion, two hundred fifty-four billion, one hundred twenty million, four hundred eleven thousand, thirteen".