1015042459 has 2 divisors, whose sum is σ = 1015042460. Its totient is φ = 1015042458.

The previous prime is 1015042447. The next prime is 1015042471. The reversal of 1015042459 is 9542405101.

It is a balanced prime because it is at equal distance from previous prime (1015042447) and next prime (1015042471).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015042459 is a prime.

It is a super-2 number, since 2×1015042459² = 2060622387145533362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1015042459.

It is not a weakly prime, because it can be changed into another prime (1015042159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507521229 + 507521230.

It is an arithmetic number, because the mean of its divisors is an integer number (507521230).

Almost surely, 2^1015042459 is an apocalyptic number.

1015042459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015042459 is an equidigital number, since it uses as much as digits as its factorization.

1015042459 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1015042459 is about 31859.7309938424. The cubic root of 1015042459 is about 1004.9892192931.

The spelling of 1015042459 in words is "one billion, fifteen million, forty-two thousand, four hundred fifty-nine".