1290322 has 16 divisors (see below), whose sum is σ = 2138400. Its totient is φ = 579040.

The previous prime is 1290319. The next prime is 1290329. The reversal of 1290322 is 2230921.

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 1290322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629 + ... + 2287.

It is an arithmetic number, because the mean of its divisors is an integer number (133650).

2^1290322 is an apocalyptic number.

1290322 is a deficient number, since it is larger than the sum of its proper divisors (848078).

1290322 is a wasteful number, since it uses less digits than its factorization.

1290322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1290322 is about 1135.9234129113. The cubic root of 1290322 is about 108.8677800876.

It can be divided in two parts, 129032 and 2, that multiplied together give a square (258064 = 508²).

The spelling of 1290322 in words is "one million, two hundred ninety thousand, three hundred twenty-two".