1258159996 has 6 divisors (see below), whose sum is σ = 2201780000. Its totient is φ = 629079996.

The previous prime is 1258159963. The next prime is 1258159997. The reversal of 1258159996 is 6999518521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258159997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157269996 + ... + 157270003.

Almost surely, 2^1258159996 is an apocalyptic number.

It is an amenable number.

1258159996 is a deficient number, since it is larger than the sum of its proper divisors (943620004).

1258159996 is a wasteful number, since it uses less digits than its factorization.

1258159996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314540003 (or 314540001 counting only the distinct ones).

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

The square root of 1258159996 is about 35470.5511093358. The cubic root of 1258159996 is about 1079.5562866344.

The spelling of 1258159996 in words is "one billion, two hundred fifty-eight million, one hundred fifty-nine thousand, nine hundred ninety-six".