1261814 has 4 divisors (see below), whose sum is σ = 1892724. Its totient is φ = 630906.

The previous prime is 1261801. The next prime is 1261823. The reversal of 1261814 is 4181621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1261814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315452 + ... + 315455.

It is an arithmetic number, because the mean of its divisors is an integer number (473181).

2^1261814 is an apocalyptic number.

1261814 is a deficient number, since it is larger than the sum of its proper divisors (630910).

1261814 is an equidigital number, since it uses as much as digits as its factorization.

1261814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630909.

The product of its digits is 384, while the sum is 23.

The square root of 1261814 is about 1123.3049452397. The cubic root of 1261814 is about 108.0600374922.

The spelling of 1261814 in words is "one million, two hundred sixty-one thousand, eight hundred fourteen".