1258115245 has 8 divisors (see below), whose sum is σ = 1527928416. Its totient is φ = 994365456.

The previous prime is 1258115231. The next prime is 1258115263. The reversal of 1258115245 is 5425118521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1258115245 - 2¹⁵ = 1258082477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1258115245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515387 + ... + 1516216.

It is an arithmetic number, because the mean of its divisors is an integer number (190991052).

Almost surely, 2^1258115245 is an apocalyptic number.

It is an amenable number.

1258115245 is a deficient number, since it is larger than the sum of its proper divisors (269813171).

1258115245 is an equidigital number, since it uses as much as digits as its factorization.

1258115245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031691.

The product of its digits is 16000, while the sum is 34.

The square root of 1258115245 is about 35469.9202846581. The cubic root of 1258115245 is about 1079.5434870444.

The spelling of 1258115245 in words is "one billion, two hundred fifty-eight million, one hundred fifteen thousand, two hundred forty-five".