121121093 has 6 divisors (see below), whose sum is σ = 124149042. Its totient is φ = 118165280.

The previous prime is 121121083. The next prime is 121121113. The reversal of 121121093 is 390121121.

It can be written as a sum of positive squares in 3 ways, for example, as 19070689 + 102050404 = 4367^2 + 10102^2 .

It is not a de Polignac number, because 121121093 - 2¹² = 121116997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34346 + ... + 37707.

It is an arithmetic number, because the mean of its divisors is an integer number (20691507).

Almost surely, 2^121121093 is an apocalyptic number.

It is an amenable number.

121121093 is a deficient number, since it is larger than the sum of its proper divisors (3027949).

121121093 is an frugal number, since it uses more digits than its factorization.

121121093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72135 (or 72094 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 121121093 is about 11005.5028508469. The cubic root of 121121093 is about 494.7736856138.

The spelling of 121121093 in words is "one hundred twenty-one million, one hundred twenty-one thousand, ninety-three".