121346 has 16 divisors (see below), whose sum is σ = 199584. Its totient is φ = 55104.

The previous prime is 121343. The next prime is 121349. The reversal of 121346 is 643121.

121346 = 95² + 96² + ... + 106².

It is an interprime number because it is at equal distance from previous prime (121343) and next prime (121349).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (12474).

2¹²¹³⁴⁶ is an apocalyptic number.

121346 is a deficient number, since it is larger than the sum of its proper divisors (78238).

121346 is a wasteful number, since it uses less digits than its factorization.

121346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145.

The product of its digits is 144, while the sum is 17.

The square root of 121346 is about 348.3475276215. The cubic root of 121346 is about 49.5079740920.

Adding to 121346 its reverse (643121), we get a palindrome (764467).

The spelling of 121346 in words is "one hundred twenty-one thousand, three hundred forty-six".