1258160897 has 12 divisors (see below), whose sum is σ = 1464166980. Its totient is φ = 1077987456.

The previous prime is 1258160861. The next prime is 1258160909. The reversal of 1258160897 is 7980618521.

It can be written as a sum of positive squares in 2 ways, for example, as 808890481 + 449270416 = 28441^2 + 21196^2 .

It is not a de Polignac number, because 1258160897 - 2⁸ = 1258160641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1258160857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195629 + ... + 201957.

It is an arithmetic number, because the mean of its divisors is an integer number (122013915).

Almost surely, 2^1258160897 is an apocalyptic number.

It is an amenable number.

1258160897 is a deficient number, since it is larger than the sum of its proper divisors (206006083).

1258160897 is an equidigital number, since it uses as much as digits as its factorization.

1258160897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400 (or 10393 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 47.

The square root of 1258160897 is about 35470.5638100101. The cubic root of 1258160897 is about 1079.5565443335.

The spelling of 1258160897 in words is "one billion, two hundred fifty-eight million, one hundred sixty thousand, eight hundred ninety-seven".