1264630 has 32 divisors (see below), whose sum is σ = 2480544. Its totient is φ = 462336.

The previous prime is 1264607. The next prime is 1264643. The reversal of 1264630 is 364621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7224 + ... + 7396.

It is an arithmetic number, because the mean of its divisors is an integer number (77517).

2^1264630 is an apocalyptic number.

1264630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264630 is a deficient number, since it is larger than the sum of its proper divisors (1215914).

1264630 is a wasteful number, since it uses less digits than its factorization.

1264630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1264630 is about 1124.5576908278. The cubic root of 1264630 is about 108.1403639054.

Subtracting from 1264630 its reverse (364621), we obtain a palindrome (900009).

The spelling of 1264630 in words is "one million, two hundred sixty-four thousand, six hundred thirty".