121941 has 12 divisors (see below), whose sum is σ = 186732. Its totient is φ = 76416.

The previous prime is 121937. The next prime is 121949. The reversal of 121941 is 149121.

It can be written as a sum of positive squares in 2 ways, for example, as 77841 + 44100 = 279^2 + 210^2 .

It is not a de Polignac number, because 121941 - 2² = 121937 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (15561).

2¹²¹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

121941 is a deficient number, since it is larger than the sum of its proper divisors (64791).

121941 is a wasteful number, since it uses less digits than its factorization.

121941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 817 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 121941 is about 349.2005154635. The cubic root of 121941 is about 49.5887602437.

It can be divided in two parts, 12 and 1941, that added together give a triangular number (1953 = T₆₂).

The spelling of 121941 in words is "one hundred twenty-one thousand, nine hundred forty-one".