121671233 has 4 divisors (see below), whose sum is σ = 121704660. Its totient is φ = 121637808.

The previous prime is 121671229. The next prime is 121671239. The reversal of 121671233 is 332176121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66064384 + 55606849 = 8128^2 + 7457^2 .

It is a cyclic number.

It is not a de Polignac number, because 121671233 - 2² = 121671229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121671239) 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, 10478 + ... + 18791.

It is an arithmetic number, because the mean of its divisors is an integer number (30426165).

Almost surely, 2^121671233 is an apocalyptic number.

It is an amenable number.

121671233 is a deficient number, since it is larger than the sum of its proper divisors (33427).

121671233 is an equidigital number, since it uses as much as digits as its factorization.

121671233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33426.

The product of its digits is 1512, while the sum is 26.

The square root of 121671233 is about 11030.4683944065. The cubic root of 121671233 is about 495.5216525630.

The spelling of 121671233 in words is "one hundred twenty-one million, six hundred seventy-one thousand, two hundred thirty-three".