1258115005 has 32 divisors (see below), whose sum is σ = 1885870080. Its totient is φ = 785756160.

The previous prime is 1258114999. The next prime is 1258115017. The reversal of 1258115005 is 5005118521.

It is not a de Polignac number, because 1258115005 - 2⁷ = 1258114877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15660 + ... + 52549.

It is an arithmetic number, because the mean of its divisors is an integer number (58933440).

Almost surely, 2^1258115005 is an apocalyptic number.

It is an amenable number.

1258115005 is a deficient number, since it is larger than the sum of its proper divisors (627755075).

1258115005 is a wasteful number, since it uses less digits than its factorization.

1258115005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68269.

The product of its (nonzero) digits is 2000, while the sum is 28.

The square root of 1258115005 is about 35469.9169015097. The cubic root of 1258115005 is about 1079.5434183993.

It can be divided in two parts, 125811 and 5005, that added together give a triangular number (130816 = T₅₁₁).

The spelling of 1258115005 in words is "one billion, two hundred fifty-eight million, one hundred fifteen thousand, five".