1275250159 has 2 divisors, whose sum is σ = 1275250160. Its totient is φ = 1275250158.

The previous prime is 1275250133. The next prime is 1275250169. The reversal of 1275250159 is 9510525721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1275250159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275250169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637625079 + 637625080.

It is an arithmetic number, because the mean of its divisors is an integer number (637625080).

Almost surely, 2^1275250159 is an apocalyptic number.

1275250159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275250159 is an equidigital number, since it uses as much as digits as its factorization.

1275250159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 1275250159 is about 35710.6448975652. The cubic root of 1275250159 is about 1084.4223557058.

The spelling of 1275250159 in words is "one billion, two hundred seventy-five million, two hundred fifty thousand, one hundred fifty-nine".