121249022 has 4 divisors (see below), whose sum is σ = 181873536. Its totient is φ = 60624510.

The previous prime is 121249021. The next prime is 121249033. The reversal of 121249022 is 220942121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121249021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30312254 + ... + 30312257.

It is an arithmetic number, because the mean of its divisors is an integer number (45468384).

Almost surely, 2^121249022 is an apocalyptic number.

121249022 is a deficient number, since it is larger than the sum of its proper divisors (60624514).

121249022 is an equidigital number, since it uses as much as digits as its factorization.

121249022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60624513.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121249022 is about 11011.3133639907. The cubic root of 121249022 is about 494.9478188711.

The spelling of 121249022 in words is "one hundred twenty-one million, two hundred forty-nine thousand, twenty-two".