1264775 has 6 divisors (see below), whose sum is σ = 1568352. Its totient is φ = 1011800.

The previous prime is 1264763. The next prime is 1264787. The reversal of 1264775 is 5774621.

It is an interprime number because it is at equal distance from previous prime (1264763) and next prime (1264787).

It is not a de Polignac number, because 1264775 - 2¹⁰ = 1263751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25271 + ... + 25320.

It is an arithmetic number, because the mean of its divisors is an integer number (261392).

2^1264775 is an apocalyptic number.

1264775 is a deficient number, since it is larger than the sum of its proper divisors (303577).

1264775 is an equidigital number, since it uses as much as digits as its factorization.

1264775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50601 (or 50596 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 1264775 is about 1124.6221587716. The cubic root of 1264775 is about 108.1444968016.

The spelling of 1264775 in words is "one million, two hundred sixty-four thousand, seven hundred seventy-five".