121980741 has 8 divisors (see below), whose sum is σ = 171201120. Its totient is φ = 77040432.

The previous prime is 121980739. The next prime is 121980751. The reversal of 121980741 is 147089121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121980741 - 2¹ = 121980739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121980751) 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 7 ways as a sum of consecutive naturals, for example, 1069950 + ... + 1070063.

It is an arithmetic number, because the mean of its divisors is an integer number (21400140).

Almost surely, 2^121980741 is an apocalyptic number.

It is an amenable number.

121980741 is a deficient number, since it is larger than the sum of its proper divisors (49220379).

121980741 is a wasteful number, since it uses less digits than its factorization.

121980741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140035.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 121980741 is about 11044.4891688117. The cubic root of 121980741 is about 495.9414670891.

The spelling of 121980741 in words is "one hundred twenty-one million, nine hundred eighty thousand, seven hundred forty-one".