121200741 has 12 divisors (see below), whose sum is σ = 175291168. Its totient is φ = 80697384.

The previous prime is 121200727. The next prime is 121200757. The reversal of 121200741 is 147002121.

It is not a de Polignac number, because 121200741 - 2²² = 117006437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200841) 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 11 ways as a sum of consecutive naturals, for example, 775 + ... + 15588.

Almost surely, 2^121200741 is an apocalyptic number.

It is an amenable number.

121200741 is a deficient number, since it is larger than the sum of its proper divisors (54090427).

121200741 is a wasteful number, since it uses less digits than its factorization.

121200741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17192 (or 17189 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 121200741 is about 11009.1208095833. The cubic root of 121200741 is about 494.8821145660.

Adding to 121200741 its reverse (147002121), we get a palindrome (268202862).

The spelling of 121200741 in words is "one hundred twenty-one million, two hundred thousand, seven hundred forty-one".