121622 has 4 divisors (see below), whose sum is σ = 182436. Its totient is φ = 60810.

The previous prime is 121621. The next prime is 121631. The reversal of 121622 is 226121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226121 = 7 ⋅32303.

It is a junction number, because it is equal to n+sod(n) for n = 121597 and 121606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30404 + ... + 30407.

It is an arithmetic number, because the mean of its divisors is an integer number (45609).

2¹²¹⁶²² is an apocalyptic number.

121622 is a deficient number, since it is larger than the sum of its proper divisors (60814).

121622 is an equidigital number, since it uses as much as digits as its factorization.

121622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60813.

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

The square root of 121622 is about 348.7434587200. The cubic root of 121622 is about 49.5454807650.

Adding to 121622 its reverse (226121), we get a palindrome (347743).

The spelling of 121622 in words is "one hundred twenty-one thousand, six hundred twenty-two".