1258699159 has 16 divisors (see below), whose sum is σ = 1351074816. Its totient is φ = 1168473600.

The previous prime is 1258699157. The next prime is 1258699163. The reversal of 1258699159 is 9519968521.

It is a cyclic number.

It is not a de Polignac number, because 1258699159 - 2¹ = 1258699157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258699157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389169 + ... + 392389.

It is an arithmetic number, because the mean of its divisors is an integer number (84442176).

Almost surely, 2^1258699159 is an apocalyptic number.

1258699159 is a deficient number, since it is larger than the sum of its proper divisors (92375657).

1258699159 is a wasteful number, since it uses less digits than its factorization.

1258699159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546.

The product of its digits is 1749600, while the sum is 55.

The square root of 1258699159 is about 35478.1504450274. The cubic root of 1258699159 is about 1079.7104730877.

The spelling of 1258699159 in words is "one billion, two hundred fifty-eight million, six hundred ninety-nine thousand, one hundred fifty-nine".