1258849160 has 32 divisors (see below), whose sum is σ = 2853097560. Its totient is φ = 499862016.

The previous prime is 1258849159. The next prime is 1258849213. The reversal of 1258849160 is 619488521.

It can be written as a sum of positive squares in 4 ways, for example, as 1220384356 + 38464804 = 34934^2 + 6202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109379 + ... + 120338.

Almost surely, 2^1258849160 is an apocalyptic number.

1258849160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1258849160 is an abundant number, since it is smaller than the sum of its proper divisors (1594248400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1258849160 is a wasteful number, since it uses less digits than its factorization.

1258849160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229865 (or 229861 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1258849160 is about 35480.2643733104. The cubic root of 1258849160 is about 1079.7533616038.

The spelling of 1258849160 in words is "one billion, two hundred fifty-eight million, eight hundred forty-nine thousand, one hundred sixty".