1222959 has 8 divisors (see below), whose sum is σ = 1686960. Its totient is φ = 787136.

The previous prime is 1222957. The next prime is 1222967. The reversal of 1222959 is 9592221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222959 - 2¹ = 1222957 is a prime.

It is an Ulam number.

1222959 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6942 + ... + 7115.

It is an arithmetic number, because the mean of its divisors is an integer number (210870).

2^1222959 is an apocalyptic number.

1222959 is a deficient number, since it is larger than the sum of its proper divisors (464001).

1222959 is a wasteful number, since it uses less digits than its factorization.

1222959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14089.

The product of its digits is 3240, while the sum is 30.

The square root of 1222959 is about 1105.8747668701. The cubic root of 1222959 is about 106.9392906845.

It can be divided in two parts, 122 and 2959, that added together give a triangular number (3081 = T₇₈).

The spelling of 1222959 in words is "one million, two hundred twenty-two thousand, nine hundred fifty-nine".