1258320160 has 24 divisors (see below), whose sum is σ = 2972781756. Its totient is φ = 503328000.

The previous prime is 1258320109. The next prime is 1258320169. The reversal of 1258320160 is 610238521.

It can be written as a sum of positive squares in 2 ways, for example, as 1241575696 + 16744464 = 35236^2 + 4092^2 .

It is not an unprimeable number, because it can be changed into a prime (1258320169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3932091 + ... + 3932410.

Almost surely, 2^1258320160 is an apocalyptic number.

1258320160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1258320160 is an abundant number, since it is smaller than the sum of its proper divisors (1714461596).

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

1258320160 is an equidigital number, since it uses as much as digits as its factorization.

1258320160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864516 (or 7864508 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1258320160 is about 35472.8087413444. The cubic root of 1258320160 is about 1079.6020939290.

Adding to 1258320160 its reverse (610238521), we get a palindrome (1868558681).

The spelling of 1258320160 in words is "one billion, two hundred fifty-eight million, three hundred twenty thousand, one hundred sixty".