121104340 has 48 divisors (see below), whose sum is σ = 297424512. Its totient is φ = 40553856.

The previous prime is 121104329. The next prime is 121104343. The reversal of 121104340 is 43401121.

It is a super-2 number, since 2×121104340² = 29332522333671200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121104343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4039 + ... + 16078.

It is an arithmetic number, because the mean of its divisors is an integer number (6196344).

Almost surely, 2^121104340 is an apocalyptic number.

121104340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121104340 is an abundant number, since it is smaller than the sum of its proper divisors (176320172).

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

121104340 is a wasteful number, since it uses less digits than its factorization.

121104340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20176 (or 20174 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121104340 is about 11004.7417052832. The cubic root of 121104340 is about 494.7508728360.

Adding to 121104340 its reverse (43401121), we get a palindrome (164505461).

The spelling of 121104340 in words is "one hundred twenty-one million, one hundred four thousand, three hundred forty".