121922 has 4 divisors (see below), whose sum is σ = 182886. Its totient is φ = 60960.

The previous prime is 121921. The next prime is 121931. The reversal of 121922 is 229121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121801 + 121 = 349^2 + 11^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121922.

It is not an unprimeable number, because it can be changed into a prime (121921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30479 + ... + 30482.

2¹²¹⁹²² is an apocalyptic number.

121922 is a deficient number, since it is larger than the sum of its proper divisors (60964).

121922 is an equidigital number, since it uses as much as digits as its factorization.

121922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60963.

The product of its digits is 72, while the sum is 17.

The square root of 121922 is about 349.1733094038. The cubic root of 121922 is about 49.5861845844.

The spelling of 121922 in words is "one hundred twenty-one thousand, nine hundred twenty-two".