121106940 has 48 divisors (see below), whose sum is σ = 344856960. Its totient is φ = 31746880.

The previous prime is 121106939. The next prime is 121106977. The reversal of 121106940 is 49601121.

It is a self number, because there is not a number n which added to its sum of digits gives 121106940.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13566 + ... + 20645.

It is an arithmetic number, because the mean of its divisors is an integer number (7184520).

Almost surely, 2^121106940 is an apocalyptic number.

121106940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121106940 is an abundant number, since it is smaller than the sum of its proper divisors (223750020).

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

121106940 is a wasteful number, since it uses less digits than its factorization.

121106940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34282 (or 34280 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 121106940 is about 11004.8598355454. The cubic root of 121106940 is about 494.7544134277.

The spelling of 121106940 in words is "one hundred twenty-one million, one hundred six thousand, nine hundred forty".