1264830 has 64 divisors (see below), whose sum is σ = 3663360. Its totient is φ = 273024.

The previous prime is 1264829. The next prime is 1264853. The reversal of 1264830 is 384621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1264830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3832 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (57240).

2^1264830 is an apocalyptic number.

1264830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1831680).

1264830 is an abundant number, since it is smaller than the sum of its proper divisors (2398530).

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

1264830 is a wasteful number, since it uses less digits than its factorization.

1264830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1264830 is about 1124.6466111628. The cubic root of 1264830 is about 108.1460643692.

The spelling of 1264830 in words is "one million, two hundred sixty-four thousand, eight hundred thirty".