1264085845 has 8 divisors (see below), whose sum is σ = 1654803360. Its totient is φ = 919335120.

The previous prime is 1264085833. The next prime is 1264085857. The reversal of 1264085845 is 5485804621.

It is an interprime number because it is at equal distance from previous prime (1264085833) and next prime (1264085857).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1264085845 - 2¹⁷ = 1263954773 is a prime.

It is a congruent number.

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, 11491635 + ... + 11491744.

It is an arithmetic number, because the mean of its divisors is an integer number (206850420).

Almost surely, 2^1264085845 is an apocalyptic number.

It is an amenable number.

1264085845 is a deficient number, since it is larger than the sum of its proper divisors (390717515).

1264085845 is a wasteful number, since it uses less digits than its factorization.

1264085845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22983395.

The product of its (nonzero) digits is 307200, while the sum is 43.

The square root of 1264085845 is about 35553.9849384004. The cubic root of 1264085845 is about 1081.2485118315.

The spelling of 1264085845 in words is "one billion, two hundred sixty-four million, eighty-five thousand, eight hundred forty-five".