1227953099 has 2 divisors, whose sum is σ = 1227953100. Its totient is φ = 1227953098.

The previous prime is 1227953093. The next prime is 1227953137. The reversal of 1227953099 is 9903597221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1227953099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1227953093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613976549 + 613976550.

It is an arithmetic number, because the mean of its divisors is an integer number (613976550).

Almost surely, 2^1227953099 is an apocalyptic number.

1227953099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227953099 is an equidigital number, since it uses as much as digits as its factorization.

1227953099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 1227953099 is about 35042.1617341168. The cubic root of 1227953099 is about 1070.8465943796.

The spelling of 1227953099 in words is "one billion, two hundred twenty-seven million, nine hundred fifty-three thousand, ninety-nine".