121144 has 16 divisors (see below), whose sum is σ = 239400. Its totient is φ = 57312.

The previous prime is 121139. The next prime is 121151. The reversal of 121144 is 441121.

It is a super-3 number, since 3×121144³ = 5333680326461952, which contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

121144 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 3 ways as a sum of consecutive naturals, for example, 247 + ... + 550.

2¹²¹¹⁴⁴ is an apocalyptic number.

It is an amenable number.

121144 is a deficient number, since it is larger than the sum of its proper divisors (118256).

121144 is a wasteful number, since it uses less digits than its factorization.

121144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 818 counting only the distinct ones).

The product of its digits is 32, while the sum is 13.

The square root of 121144 is about 348.0574665195. The cubic root of 121144 is about 49.4804874969.

Adding to 121144 its reverse (441121), we get a palindrome (562265).

It can be divided in two parts, 121 and 144, that multiplied together give a square (17424 = 132²).

The spelling of 121144 in words is "one hundred twenty-one thousand, one hundred forty-four", and thus it is an iban number.