121232549 has 8 divisors (see below), whose sum is σ = 122496000. Its totient is φ = 119974176.

The previous prime is 121232513. The next prime is 121232561. The reversal of 121232549 is 945232121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121232549 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232849) 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, 62417 + ... + 64329.

It is an arithmetic number, because the mean of its divisors is an integer number (15312000).

Almost surely, 2^121232549 is an apocalyptic number.

It is an amenable number.

121232549 is a deficient number, since it is larger than the sum of its proper divisors (1263451).

121232549 is a wasteful number, since it uses less digits than its factorization.

121232549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539.

The product of its digits is 4320, while the sum is 29.

The square root of 121232549 is about 11010.5653351679. The cubic root of 121232549 is about 494.9254031723.

The spelling of 121232549 in words is "one hundred twenty-one million, two hundred thirty-two thousand, five hundred forty-nine".