1251224059 has 2 divisors, whose sum is σ = 1251224060. Its totient is φ = 1251224058.

The previous prime is 1251224011. The next prime is 1251224063. The reversal of 1251224059 is 9504221521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1251224059 - 2²⁵ = 1217669627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1251224059.

It is not a weakly prime, because it can be changed into another prime (1251264059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625612029 + 625612030.

It is an arithmetic number, because the mean of its divisors is an integer number (625612030).

Almost surely, 2^1251224059 is an apocalyptic number.

1251224059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1251224059 is an equidigital number, since it uses as much as digits as its factorization.

1251224059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1251224059 is about 35372.6456319004. The cubic root of 1251224059 is about 1077.5688509934.

The spelling of 1251224059 in words is "one billion, two hundred fifty-one million, two hundred twenty-four thousand, fifty-nine".