121066043 has 24 divisors (see below), whose sum is σ = 152448768. Its totient is φ = 93989808.

The previous prime is 121066037. The next prime is 121066051. The reversal of 121066043 is 340660121.

It is a happy number.

It is not a de Polignac number, because 121066043 - 2⁶ = 121065979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121066063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57080 + ... + 59162.

It is an arithmetic number, because the mean of its divisors is an integer number (6352032).

Almost surely, 2^121066043 is an apocalyptic number.

121066043 is a deficient number, since it is larger than the sum of its proper divisors (31382725).

121066043 is a wasteful number, since it uses less digits than its factorization.

121066043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 121066043 is about 11003.0015450331. The cubic root of 121066043 is about 494.6987154104.

The spelling of 121066043 in words is "one hundred twenty-one million, sixty-six thousand, forty-three".