1338121522 has 16 divisors (see below), whose sum is σ = 2041200000. Its totient is φ = 657774880.

The previous prime is 1338121501. The next prime is 1338121583. The reversal of 1338121522 is 2251218331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37854 + ... + 64102.

It is an arithmetic number, because the mean of its divisors is an integer number (127575000).

Almost surely, 2^1338121522 is an apocalyptic number.

1338121522 is a deficient number, since it is larger than the sum of its proper divisors (703078478).

1338121522 is a wasteful number, since it uses less digits than its factorization.

1338121522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26681.

The product of its digits is 2880, while the sum is 28.

The square root of 1338121522 is about 36580.3433827513. The cubic root of 1338121522 is about 1101.9583631885.

Adding to 1338121522 its reverse (2251218331), we get a palindrome (3589339853).

The spelling of 1338121522 in words is "one billion, three hundred thirty-eight million, one hundred twenty-one thousand, five hundred twenty-two".