121202 has 4 divisors (see below), whose sum is σ = 181806. Its totient is φ = 60600.

The previous prime is 121189. The next prime is 121229. The reversal of 121202 is 202121.

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., 72361 + 48841 = 269^2 + 221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121202.

It is an unprimeable number.

121202 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30299 + ... + 30302.

2¹²¹²⁰² is an apocalyptic number.

121202 is a deficient number, since it is larger than the sum of its proper divisors (60604).

121202 is an equidigital number, since it uses as much as digits as its factorization.

121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60603.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 121202 is about 348.1407761237. The cubic root of 121202 is about 49.4883828127.

Adding to 121202 its reverse (202121), we get a palindrome (323323).

It can be divided in two parts, 121 and 202, that multiplied together give a palindrome (24442).

The spelling of 121202 in words is "one hundred twenty-one thousand, two hundred two", and thus it is an iban number.