1199255413 has 2 divisors, whose sum is σ = 1199255414. Its totient is φ = 1199255412.

The previous prime is 1199255377. The next prime is 1199255437. The reversal of 1199255413 is 3145529911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 860952964 + 338302449 = 29342^2 + 18393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1199255413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1199255513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599627706 + 599627707.

It is an arithmetic number, because the mean of its divisors is an integer number (599627707).

Almost surely, 2^1199255413 is an apocalyptic number.

It is an amenable number.

1199255413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199255413 is an equidigital number, since it uses as much as digits as its factorization.

1199255413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 40.

The square root of 1199255413 is about 34630.2672961096. The cubic root of 1199255413 is about 1062.4387343313.

The spelling of 1199255413 in words is "one billion, one hundred ninety-nine million, two hundred fifty-five thousand, four hundred thirteen".