121150543 has 8 divisors (see below), whose sum is σ = 124572512. Its totient is φ = 117736416.

The previous prime is 121150501. The next prime is 121150553. The reversal of 121150543 is 345051121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121150543 - 2⁹ = 121150031 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 (121150553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44446 + ... + 47092.

It is an arithmetic number, because the mean of its divisors is an integer number (15571564).

Almost surely, 2^121150543 is an apocalyptic number.

121150543 is a deficient number, since it is larger than the sum of its proper divisors (3421969).

121150543 is a wasteful number, since it uses less digits than its factorization.

121150543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 121150543 is about 11006.8407365602. The cubic root of 121150543 is about 494.8137829629.

The spelling of 121150543 in words is "one hundred twenty-one million, one hundred fifty thousand, five hundred forty-three".