121032197 has 16 divisors (see below), whose sum is σ = 150558912. Its totient is φ = 95589120.

The previous prime is 121032193. The next prime is 121032203. The reversal of 121032197 is 791230121.

It is not a de Polignac number, because 121032197 - 2² = 121032193 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 (121032193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22463 + ... + 27324.

It is an arithmetic number, because the mean of its divisors is an integer number (9409932).

Almost surely, 2^121032197 is an apocalyptic number.

121032197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

121032197 is a deficient number, since it is larger than the sum of its proper divisors (29526715).

121032197 is a wasteful number, since it uses less digits than its factorization.

121032197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49828.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 121032197 is about 11001.4634026569. The cubic root of 121032197 is about 494.6526107311.

The spelling of 121032197 in words is "one hundred twenty-one million, thirty-two thousand, one hundred ninety-seven".