1236022 has 8 divisors (see below), whose sum is σ = 1904256. Its totient is φ = 601272.

The previous prime is 1236017. The next prime is 1236073. The reversal of 1236022 is 2206321.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1235987 and 1236005.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8278 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (238032).

2^1236022 is an apocalyptic number.

1236022 is a deficient number, since it is larger than the sum of its proper divisors (668234).

1236022 is a wasteful number, since it uses less digits than its factorization.

1236022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16742.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1236022 is about 1111.7652629939. The cubic root of 1236022 is about 107.3186992724.

Subtracting 1236022 from its reverse (2206321), we obtain a cube (970299 = 99³).

The spelling of 1236022 in words is "one million, two hundred thirty-six thousand, twenty-two".