1252015159 has 2 divisors, whose sum is σ = 1252015160. Its totient is φ = 1252015158.

The previous prime is 1252015153. The next prime is 1252015217. The reversal of 1252015159 is 9515102521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1252015159 - 2¹⁷ = 1251884087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252015159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252015153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626007579 + 626007580.

It is an arithmetic number, because the mean of its divisors is an integer number (626007580).

Almost surely, 2^1252015159 is an apocalyptic number.

1252015159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252015159 is an equidigital number, since it uses as much as digits as its factorization.

1252015159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1252015159 is about 35383.8262345948. The cubic root of 1252015159 is about 1077.7959046840.

The spelling of 1252015159 in words is "one billion, two hundred fifty-two million, fifteen thousand, one hundred fifty-nine".