1272622 has 8 divisors (see below), whose sum is σ = 2055816. Its totient is φ = 587352.

The previous prime is 1272617. The next prime is 1272629. The reversal of 1272622 is 2262721.

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 = 1272593 and 1272602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24448 + ... + 24499.

It is an arithmetic number, because the mean of its divisors is an integer number (256977).

2^1272622 is an apocalyptic number.

1272622 is a deficient number, since it is larger than the sum of its proper divisors (783194).

1272622 is a wasteful number, since it uses less digits than its factorization.

1272622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48962.

The product of its digits is 672, while the sum is 22.

The square root of 1272622 is about 1128.1054915211. The cubic root of 1272622 is about 108.3676882494.

Subtracting 1272622 from its reverse (2262721), we obtain a palindrome (990099).

It can be divided in two parts, 12726 and 22, that multiplied together give a palindrome (279972).

The spelling of 1272622 in words is "one million, two hundred seventy-two thousand, six hundred twenty-two".