121602 has 16 divisors (see below), whose sum is σ = 262080. Its totient is φ = 37392.

The previous prime is 121591. The next prime is 121607. The reversal of 121602 is 206121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121607) by changing a digit.

121602 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 in 7 ways as a sum of consecutive naturals, for example, 702 + ... + 857.

It is an arithmetic number, because the mean of its divisors is an integer number (16380).

2¹²¹⁶⁰² is an apocalyptic number.

121602 is an abundant number, since it is smaller than the sum of its proper divisors (140478).

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

121602 is a wasteful number, since it uses less digits than its factorization.

121602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121602 is about 348.7147831681. The cubic root of 121602 is about 49.5427647983.

Adding to 121602 its reverse (206121), we get a palindrome (327723).

The spelling of 121602 in words is "one hundred twenty-one thousand, six hundred two".