121023347 has 4 divisors (see below), whose sum is σ = 121045536. Its totient is φ = 121001160.

The previous prime is 121023299. The next prime is 121023359. The reversal of 121023347 is 743320121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121023347 - 2⁶ = 121023283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121023367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3398 + ... + 15924.

It is an arithmetic number, because the mean of its divisors is an integer number (30261384).

Almost surely, 2^121023347 is an apocalyptic number.

121023347 is a deficient number, since it is larger than the sum of its proper divisors (22189).

121023347 is an equidigital number, since it uses as much as digits as its factorization.

121023347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22188.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 121023347 is about 11001.0611760866. The cubic root of 121023347 is about 494.6405539329.

Adding to 121023347 its reverse (743320121), we get a palindrome (864343468).

The spelling of 121023347 in words is "one hundred twenty-one million, twenty-three thousand, three hundred forty-seven".