121103860 has 12 divisors (see below), whose sum is σ = 254318148. Its totient is φ = 48441536.

The previous prime is 121103839. The next prime is 121103863. The reversal of 121103860 is 68301121.

It can be written as a sum of positive squares in 2 ways, for example, as 48274704 + 72829156 = 6948^2 + 8534^2 .

It is a super-2 number, since 2×121103860² = 29332289813799200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027577 + ... + 3027616.

It is an arithmetic number, because the mean of its divisors is an integer number (21193179).

Almost surely, 2^121103860 is an apocalyptic number.

121103860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121103860 is an abundant number, since it is smaller than the sum of its proper divisors (133214288).

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

121103860 is a wasteful number, since it uses less digits than its factorization.

121103860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055202 (or 6055200 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 121103860 is about 11004.7198964808. The cubic root of 121103860 is about 494.7502191827.

Adding to 121103860 its reverse (68301121), we get a palindrome (189404981).

The spelling of 121103860 in words is "one hundred twenty-one million, one hundred three thousand, eight hundred sixty".