121300 has 18 divisors (see below), whose sum is σ = 263438. Its totient is φ = 48480.

The previous prime is 121291. The next prime is 121309. The reversal of 121300 is 3121.

It is an interprime number because it is at equal distance from previous prime (121291) and next prime (121309).

It can be written as a sum of positive squares in 3 ways, for example, as 196 + 121104 = 14^2 + 348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121309) by changing a digit.

121300 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 5 ways as a sum of consecutive naturals, for example, 507 + ... + 706.

2¹²¹³⁰⁰ is an apocalyptic number.

121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121300 is an abundant number, since it is smaller than the sum of its proper divisors (142138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121300 is a wasteful number, since it uses less digits than its factorization.

121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 121300 is about 348.2814953454. The cubic root of 121300 is about 49.5017174522.

Adding to 121300 its reverse (3121), we get a palindrome (124421).

The spelling of 121300 in words is "one hundred twenty-one thousand, three hundred", and thus it is an iban number.