121104806940 has 384 divisors, whose sum is σ = 416170782720. Its totient is φ = 29050638336.

The previous prime is 121104806923. The next prime is 121104806951. The reversal of 121104806940 is 49608401121.

121104806940 is a `hidden beast` number, since 1 + 2 + 110 + 480 + 69 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 121104806895 and 121104806904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 93372372 + ... + 93373668.

It is an arithmetic number, because the mean of its divisors is an integer number (1083778080).

Almost surely, 2^121104806940 is an apocalyptic number.

121104806940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121104806940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208085391360).

121104806940 is an abundant number, since it is smaller than the sum of its proper divisors (295065975780).

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

121104806940 is a wasteful number, since it uses less digits than its factorization.

121104806940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 121104806940 in words is "one hundred twenty-one billion, one hundred four million, eight hundred six thousand, nine hundred forty".