121602897 has 16 divisors (see below), whose sum is σ = 194010880. Its totient is φ = 74832336.

The previous prime is 121602847. The next prime is 121602917. The reversal of 121602897 is 798206121.

It is not a de Polignac number, because 121602897 - 2¹⁹ = 121078609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121602847) 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, 172873 + ... + 173574.

It is an arithmetic number, because the mean of its divisors is an integer number (12125680).

Almost surely, 2^121602897 is an apocalyptic number.

It is an amenable number.

121602897 is a deficient number, since it is larger than the sum of its proper divisors (72407983).

121602897 is a wasteful number, since it uses less digits than its factorization.

121602897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346469 (or 346463 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 121602897 is about 11027.3703574334. The cubic root of 121602897 is about 495.4288661575.

The spelling of 121602897 in words is "one hundred twenty-one million, six hundred two thousand, eight hundred ninety-seven".