1272022 has 8 divisors (see below), whose sum is σ = 1914336. Its totient is φ = 633912.

The previous prime is 1272001. The next prime is 1272043. The reversal of 1272022 is 2202721.

It is an interprime number because it is at equal distance from previous prime (1272001) and next prime (1272043).

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

It is a junction number, because it is equal to n+sod(n) for n = 1271987 and 1272005.

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, 133 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (239292).

2^1272022 is an apocalyptic number.

1272022 is a deficient number, since it is larger than the sum of its proper divisors (642314).

1272022 is a wasteful number, since it uses less digits than its factorization.

1272022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1272022 is about 1127.8395275925. The cubic root of 1272022 is about 108.3506549554.

Adding to 1272022 its reverse (2202721), we get a palindrome (3474743).

The spelling of 1272022 in words is "one million, two hundred seventy-two thousand, twenty-two".