1201622 has 8 divisors (see below), whose sum is σ = 1860672. Its totient is φ = 581400.

The previous prime is 1201601. The next prime is 1201633. The reversal of 1201622 is 2261021.

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 = 1201597 and 1201606.

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, 9629 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (232584).

2^1201622 is an apocalyptic number.

1201622 is a deficient number, since it is larger than the sum of its proper divisors (659050).

1201622 is a wasteful number, since it uses less digits than its factorization.

1201622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19414.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1201622 is about 1096.1852033302. The cubic root of 1201622 is about 106.3137140346.

Adding to 1201622 its reverse (2261021), we get a palindrome (3462643).

The spelling of 1201622 in words is "one million, two hundred one thousand, six hundred twenty-two".