1255036099 has 2 divisors, whose sum is σ = 1255036100. Its totient is φ = 1255036098.

The previous prime is 1255036061. The next prime is 1255036109. The reversal of 1255036099 is 9906305521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255036099 - 2¹¹ = 1255034051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255036019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627518049 + 627518050.

It is an arithmetic number, because the mean of its divisors is an integer number (627518050).

Almost surely, 2^1255036099 is an apocalyptic number.

1255036099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255036099 is an equidigital number, since it uses as much as digits as its factorization.

1255036099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 1255036099 is about 35426.4886631458. The cubic root of 1255036099 is about 1078.6620660657.

The spelling of 1255036099 in words is "one billion, two hundred fifty-five million, thirty-six thousand, ninety-nine".