1121622 has 16 divisors (see below), whose sum is σ = 2261952. Its totient is φ = 370760.

The previous prime is 1121621. The next prime is 1121629. The reversal of 1121622 is 2261211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

2^1121622 is an apocalyptic number.

1121622 is an abundant number, since it is smaller than the sum of its proper divisors (1140330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121622 is a wasteful number, since it uses less digits than its factorization.

1121622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563.

The product of its digits is 48, while the sum is 15.

The square root of 1121622 is about 1059.0665701456. The cubic root of 1121622 is about 103.8999901500.

Adding to 1121622 its reverse (2261211), we get a palindrome (3382833).

The spelling of 1121622 in words is "one million, one hundred twenty-one thousand, six hundred twenty-two".