1264299 has 4 divisors (see below), whose sum is σ = 1685736. Its totient is φ = 842864.

The previous prime is 1264271. The next prime is 1264301. The reversal of 1264299 is 9924621.

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

It is a cyclic number.

It is not a de Polignac number, because 1264299 - 2⁵ = 1264267 is a prime.

It is a super-2 number, since 2×1264299² = 3196903922802, which contains 22 as substring.

It is a D-number.

1264299 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1264259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210714 + ... + 210719.

It is an arithmetic number, because the mean of its divisors is an integer number (421434).

2^1264299 is an apocalyptic number.

1264299 is a deficient number, since it is larger than the sum of its proper divisors (421437).

1264299 is an equidigital number, since it uses as much as digits as its factorization.

1264299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421436.

The product of its digits is 7776, while the sum is 33.

The square root of 1264299 is about 1124.4105122241. The cubic root of 1264299 is about 108.1309283172.

The spelling of 1264299 in words is "one million, two hundred sixty-four thousand, two hundred ninety-nine".