1240822 has 8 divisors (see below), whose sum is σ = 2030472. Its totient is φ = 564000.

The previous prime is 1240817. The next prime is 1240831. The reversal of 1240822 is 2280421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1240822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28179 + ... + 28222.

It is an arithmetic number, because the mean of its divisors is an integer number (253809).

2^1240822 is an apocalyptic number.

1240822 is a deficient number, since it is larger than the sum of its proper divisors (789650).

1240822 is a wasteful number, since it uses less digits than its factorization.

1240822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56414.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1240822 is about 1113.9219003144. The cubic root of 1240822 is about 107.4574412389.

The spelling of 1240822 in words is "one million, two hundred forty thousand, eight hundred twenty-two".