1258226285 has 16 divisors (see below), whose sum is σ = 1544793600. Its totient is φ = 983563776.

The previous prime is 1258226279. The next prime is 1258226309. The reversal of 1258226285 is 5826228521.

It is a cyclic number.

It is not a de Polignac number, because 1258226285 - 2²⁰ = 1257177709 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 21896 + ... + 54734.

It is an arithmetic number, because the mean of its divisors is an integer number (96549600).

Almost surely, 2^1258226285 is an apocalyptic number.

It is an amenable number.

1258226285 is a deficient number, since it is larger than the sum of its proper divisors (286567315).

1258226285 is an equidigital number, since it uses as much as digits as its factorization.

1258226285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33020.

The product of its digits is 153600, while the sum is 41.

The square root of 1258226285 is about 35471.4855200624. The cubic root of 1258226285 is about 1079.5752459216.

The spelling of 1258226285 in words is "one billion, two hundred fifty-eight million, two hundred twenty-six thousand, two hundred eighty-five".