121120993 has 12 divisors (see below), whose sum is σ = 141169392. Its totient is φ = 103616520.

The previous prime is 121120969. The next prime is 121121003. The reversal of 121120993 is 399021121.

It is not a de Polignac number, because 121120993 - 2²¹ = 119023841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121220993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26658 + ... + 30868.

It is an arithmetic number, because the mean of its divisors is an integer number (11764116).

Almost surely, 2^121120993 is an apocalyptic number.

It is an amenable number.

121120993 is a deficient number, since it is larger than the sum of its proper divisors (20048399).

121120993 is an equidigital number, since it uses as much as digits as its factorization.

121120993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812 (or 4805 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 121120993 is about 11005.4983076642. The cubic root of 121120993 is about 494.7735494487.

The spelling of 121120993 in words is "one hundred twenty-one million, one hundred twenty thousand, nine hundred ninety-three".