121236249 has 8 divisors (see below), whose sum is σ = 161848512. Its totient is φ = 80724080.

The previous prime is 121236233. The next prime is 121236251. The reversal of 121236249 is 942632121.

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 121236249 - 2⁴ = 121236233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121236229) 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, 22149 + ... + 27074.

It is an arithmetic number, because the mean of its divisors is an integer number (20231064).

Almost surely, 2^121236249 is an apocalyptic number.

It is an amenable number.

121236249 is a deficient number, since it is larger than the sum of its proper divisors (40612263).

121236249 is an equidigital number, since it uses as much as digits as its factorization.

121236249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50047.

The product of its digits is 5184, while the sum is 30.

The square root of 121236249 is about 11010.7333543230. The cubic root of 121236249 is about 494.9304381385.

The spelling of 121236249 in words is "one hundred twenty-one million, two hundred thirty-six thousand, two hundred forty-nine".