121250 has 20 divisors (see below), whose sum is σ = 229614. Its totient is φ = 48000.

The previous prime is 121229. The next prime is 121259. The reversal of 121250 is 52121.

It can be written as a sum of positive squares in 5 ways, for example, as 841 + 120409 = 29^2 + 347^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121259) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1202 + ... + 1298.

2¹²¹²⁵⁰ is an apocalyptic number.

121250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121250 is a deficient number, since it is larger than the sum of its proper divisors (108364).

121250 is an frugal number, since it uses more digits than its factorization.

121250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 121250 is about 348.2097069296. The cubic root of 121250 is about 49.4949149625.

Adding to 121250 its reverse (52121), we get a palindrome (173371).

The spelling of 121250 in words is "one hundred twenty-one thousand, two hundred fifty".