121794244 has 54 divisors (see below), whose sum is σ = 253855770. Its totient is φ = 51068160.

The previous prime is 121794241. The next prime is 121794259. The reversal of 121794244 is 442497121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2722500 + 119071744 = 1650^2 + 10912^2 .

It is not an unprimeable number, because it can be changed into a prime (121794241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 81052 + ... + 82540.

Almost surely, 2^121794244 is an apocalyptic number.

It is an amenable number.

121794244 is an abundant number, since it is smaller than the sum of its proper divisors (132061526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121794244 is a wasteful number, since it uses less digits than its factorization.

121794244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1515 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 121794244 is about 11036.0429502608. The cubic root of 121794244 is about 495.6885889924.

The spelling of 121794244 in words is "one hundred twenty-one million, seven hundred ninety-four thousand, two hundred forty-four".