121112097 has 24 divisors (see below), whose sum is σ = 172794336. Its totient is φ = 75437568.

The previous prime is 121112093. The next prime is 121112107. The reversal of 121112097 is 790211121.

It is not a de Polignac number, because 121112097 - 2² = 121112093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121112093) 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, 140893 + ... + 141749.

It is an arithmetic number, because the mean of its divisors is an integer number (7199764).

Almost surely, 2^121112097 is an apocalyptic number.

121112097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

121112097 is a deficient number, since it is larger than the sum of its proper divisors (51682239).

121112097 is a wasteful number, since it uses less digits than its factorization.

121112097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 121112097 is about 11005.0941386251. The cubic root of 121112097 is about 494.7614359052.

The spelling of 121112097 in words is "one hundred twenty-one million, one hundred twelve thousand, ninety-seven".