121396 has 24 divisors (see below), whose sum is σ = 241920. Its totient is φ = 52800.

The previous prime is 121379. The next prime is 121403. The reversal of 121396 is 693121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (10080).

2¹²¹³⁹⁶ is an apocalyptic number.

It is an amenable number.

121396 is a deficient number, since it is larger than the sum of its proper divisors (120524).

121396 is a wasteful number, since it uses less digits than its factorization.

121396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 133 counting only the distinct ones).

The product of its digits is 324, while the sum is 22.

The square root of 121396 is about 348.4192876406. The cubic root of 121396 is about 49.5147729943.

The spelling of 121396 in words is "one hundred twenty-one thousand, three hundred ninety-six".