121097 has 4 divisors (see below), whose sum is σ = 122640. Its totient is φ = 119556.

The previous prime is 121081. The next prime is 121123. The reversal of 121097 is 790121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121097 - 2⁴ = 121081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647 + ... + 812.

It is an arithmetic number, because the mean of its divisors is an integer number (30660).

2¹²¹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

121097 is a deficient number, since it is larger than the sum of its proper divisors (1543).

121097 is an equidigital number, since it uses as much as digits as its factorization.

121097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 121097 is about 347.9899423834. The cubic root of 121097 is about 49.4740877200.

It can be divided in two parts, 1210 and 97, that multiplied together give a triangular number (117370 = T₄₈₄).

The spelling of 121097 in words is "one hundred twenty-one thousand, ninety-seven".