1268630 has 32 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 436320.

The previous prime is 1268627. The next prime is 1268633. The reversal of 1268630 is 368621.

It is an interprime number because it is at equal distance from previous prime (1268627) and next prime (1268633).

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1268630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1787 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^1268630 is an apocalyptic number.

1268630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268630 is an abundant number, since it is smaller than the sum of its proper divisors (1357930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1268630 is a wasteful number, since it uses less digits than its factorization.

1268630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1268630 is about 1126.3347637359. The cubic root of 1268630 is about 108.2542591934.

Subtracting from 1268630 its reverse (368621), we obtain a palindrome (900009).

The spelling of 1268630 in words is "one million, two hundred sixty-eight thousand, six hundred thirty".