121066939 has 8 divisors (see below), whose sum is σ = 139244768. Its totient is φ = 103109760.

The previous prime is 121066937. The next prime is 121066943. The reversal of 121066939 is 939660121.

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

It is a cyclic number.

It is not a de Polignac number, because 121066939 - 2¹ = 121066937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121066898 and 121066907.

It is not an unprimeable number, because it can be changed into a prime (121066931) 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, 53982 + ... + 56179.

It is an arithmetic number, because the mean of its divisors is an integer number (17405596).

Almost surely, 2^121066939 is an apocalyptic number.

121066939 is a deficient number, since it is larger than the sum of its proper divisors (18177829).

121066939 is a wasteful number, since it uses less digits than its factorization.

121066939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110325.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 121066939 is about 11003.0422611203. The cubic root of 121066939 is about 494.6999358158.

The spelling of 121066939 in words is "one hundred twenty-one million, sixty-six thousand, nine hundred thirty-nine".