121850049 has 4 divisors (see below), whose sum is σ = 162466736. Its totient is φ = 81233364.

The previous prime is 121850039. The next prime is 121850051. The reversal of 121850049 is 940058121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121850049 - 2⁵ = 121850017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121849998 and 121850025.

It is not an unprimeable number, because it can be changed into a prime (121850039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20308339 + ... + 20308344.

It is an arithmetic number, because the mean of its divisors is an integer number (40616684).

Almost surely, 2^121850049 is an apocalyptic number.

It is an amenable number.

121850049 is a deficient number, since it is larger than the sum of its proper divisors (40616687).

121850049 is an equidigital number, since it uses as much as digits as its factorization.

121850049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40616686.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 121850049 is about 11038.5709672946. The cubic root of 121850049 is about 495.7642840802.

The spelling of 121850049 in words is "one hundred twenty-one million, eight hundred fifty thousand, forty-nine".