121118943 has 48 divisors (see below), whose sum is σ = 188455680. Its totient is φ = 68999040.

The previous prime is 121118923. The next prime is 121118969. The reversal of 121118943 is 349811121.

It is not a de Polignac number, because 121118943 - 2¹³ = 121110751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121118943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121118903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 742980 + ... + 743142.

It is an arithmetic number, because the mean of its divisors is an integer number (3926160).

Almost surely, 2^121118943 is an apocalyptic number.

121118943 is a deficient number, since it is larger than the sum of its proper divisors (67336737).

121118943 is a wasteful number, since it uses less digits than its factorization.

121118943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 289 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 121118943 is about 11005.4051720053. The cubic root of 121118943 is about 494.7707580485.

The spelling of 121118943 in words is "one hundred twenty-one million, one hundred eighteen thousand, nine hundred forty-three".