1254422999 has 2 divisors, whose sum is σ = 1254423000. Its totient is φ = 1254422998.

The previous prime is 1254422989. The next prime is 1254423017. The reversal of 1254422999 is 9992244521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1254422999 - 2²⁸ = 985987543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254422969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627211499 + 627211500.

It is an arithmetic number, because the mean of its divisors is an integer number (627211500).

Almost surely, 2^1254422999 is an apocalyptic number.

1254422999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254422999 is an equidigital number, since it uses as much as digits as its factorization.

1254422999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 1254422999 is about 35417.8344764329. The cubic root of 1254422999 is about 1078.4863910576.

The spelling of 1254422999 in words is "one billion, two hundred fifty-four million, four hundred twenty-two thousand, nine hundred ninety-nine".