121946043 has 8 divisors (see below), whose sum is σ = 166989328. Its totient is φ = 79100064.

The previous prime is 121946021. The next prime is 121946063. The reversal of 121946043 is 340649121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121946043 - 2⁸ = 121945787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121946043.

It is not an unprimeable number, because it can be changed into a prime (121946063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549196 + ... + 549417.

It is an arithmetic number, because the mean of its divisors is an integer number (20873666).

Almost surely, 2^121946043 is an apocalyptic number.

121946043 is a deficient number, since it is larger than the sum of its proper divisors (45043285).

121946043 is a wasteful number, since it uses less digits than its factorization.

121946043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098653.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 121946043 is about 11042.9182284394. The cubic root of 121946043 is about 495.8944383292.

The spelling of 121946043 in words is "one hundred twenty-one million, nine hundred forty-six thousand, forty-three".