121672733 has 24 divisors (see below), whose sum is σ = 153720000. Its totient is φ = 96222672.

The previous prime is 121672721. The next prime is 121672739. The reversal of 121672733 is 337276121.

It is not a de Polignac number, because 121672733 - 2¹⁰ = 121671709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121672733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121672739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56918 + ... + 59016.

It is an arithmetic number, because the mean of its divisors is an integer number (6405000).

Almost surely, 2^121672733 is an apocalyptic number.

121672733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121672733 is a deficient number, since it is larger than the sum of its proper divisors (32047267).

121672733 is an equidigital number, since it uses as much as digits as its factorization.

121672733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2119 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 121672733 is about 11030.5363876831. The cubic root of 121672733 is about 495.5236888686.

The spelling of 121672733 in words is "one hundred twenty-one million, six hundred seventy-two thousand, seven hundred thirty-three".