1264994 has 4 divisors (see below), whose sum is σ = 1897494. Its totient is φ = 632496.

The previous prime is 1264981. The next prime is 1264997. The reversal of 1264994 is 4994621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1050625 + 214369 = 1025^2 + 463^2 .

It is not an unprimeable number, because it can be changed into a prime (1264997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316247 + ... + 316250.

2^1264994 is an apocalyptic number.

1264994 is a deficient number, since it is larger than the sum of its proper divisors (632500).

1264994 is an equidigital number, since it uses as much as digits as its factorization.

1264994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632499.

The product of its digits is 15552, while the sum is 35.

The square root of 1264994 is about 1124.7195205917. The cubic root of 1264994 is about 108.1507383012.

The spelling of 1264994 in words is "one million, two hundred sixty-four thousand, nine hundred ninety-four".