1264945 has 16 divisors (see below), whose sum is σ = 1679040. Its totient is φ = 907200.

The previous prime is 1264933. The next prime is 1264969. The reversal of 1264945 is 5494621.

It is not a de Polignac number, because 1264945 - 2¹¹ = 1262897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5890 + ... + 6100.

It is an arithmetic number, because the mean of its divisors is an integer number (104940).

2^1264945 is an apocalyptic number.

It is an amenable number.

1264945 is a deficient number, since it is larger than the sum of its proper divisors (414095).

1264945 is a wasteful number, since it uses less digits than its factorization.

1264945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its digits is 8640, while the sum is 31.

The square root of 1264945 is about 1124.6977371721. The cubic root of 1264945 is about 108.1493418638.

It can be divided in two parts, 1264 and 945, that added together give a square (2209 = 47²).

The spelling of 1264945 in words is "one million, two hundred sixty-four thousand, nine hundred forty-five".