121332741 has 16 divisors (see below), whose sum is σ = 166549824. Its totient is φ = 78534144.

The previous prime is 121332737. The next prime is 121332749. The reversal of 121332741 is 147233121.

It is a happy number.

It is not a de Polignac number, because 121332741 - 2² = 121332737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121332749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11490 + ... + 19356.

It is an arithmetic number, because the mean of its divisors is an integer number (10409364).

Almost surely, 2^121332741 is an apocalyptic number.

It is an amenable number.

121332741 is a deficient number, since it is larger than the sum of its proper divisors (45217083).

121332741 is an equidigital number, since it uses as much as digits as its factorization.

121332741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020.

The product of its digits is 1008, while the sum is 24.

The square root of 121332741 is about 11015.1142073063. The cubic root of 121332741 is about 495.0617084583.

Adding to 121332741 its reverse (147233121), we get a palindrome (268565862).

The spelling of 121332741 in words is "one hundred twenty-one million, three hundred thirty-two thousand, seven hundred forty-one".