244121434 has 4 divisors (see below), whose sum is σ = 366182154. Its totient is φ = 122060716.

The previous prime is 244121389. The next prime is 244121441. The reversal of 244121434 is 434121442.

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

It can be written as a sum of positive squares in only one way, i.e., 192238225 + 51883209 = 13865^2 + 7203^2 .

It is a junction number, because it is equal to n+sod(n) for n = 244121399 and 244121408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61030357 + ... + 61030360.

Almost surely, 2^244121434 is an apocalyptic number.

244121434 is a deficient number, since it is larger than the sum of its proper divisors (122060720).

244121434 is a wasteful number, since it uses less digits than its factorization.

244121434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122060719.

The product of its digits is 3072, while the sum is 25.

The square root of 244121434 is about 15624.3858759313. The cubic root of 244121434 is about 624.9836232509.

Adding to 244121434 its reverse (434121442), we get a palindrome (678242876).

The spelling of 244121434 in words is "two hundred forty-four million, one hundred twenty-one thousand, four hundred thirty-four".