1253190859 has 2 divisors, whose sum is σ = 1253190860. Its totient is φ = 1253190858.

The previous prime is 1253190797. The next prime is 1253190899. The reversal of 1253190859 is 9580913521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1253190859 - 2²⁵ = 1219636427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253190899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626595429 + 626595430.

It is an arithmetic number, because the mean of its divisors is an integer number (626595430).

Almost surely, 2^1253190859 is an apocalyptic number.

1253190859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253190859 is an equidigital number, since it uses as much as digits as its factorization.

1253190859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 1253190859 is about 35400.4358588987. The cubic root of 1253190859 is about 1078.1331658322.

The spelling of 1253190859 in words is "one billion, two hundred fifty-three million, one hundred ninety thousand, eight hundred fifty-nine".