1121375516 has 48 divisors (see below), whose sum is σ = 2109327360. Its totient is φ = 520058880.

The previous prime is 1121375503. The next prime is 1121375561. The reversal of 1121375516 is 6155731211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971996 + ... + 973148.

It is an arithmetic number, because the mean of its divisors is an integer number (43944320).

Almost surely, 2^1121375516 is an apocalyptic number.

It is an amenable number.

1121375516 is a deficient number, since it is larger than the sum of its proper divisors (987951844).

1121375516 is a wasteful number, since it uses less digits than its factorization.

1121375516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1432 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 1121375516 is about 33486.9454564014. The cubic root of 1121375516 is about 1038.9237868448.

The spelling of 1121375516 in words is "one billion, one hundred twenty-one million, three hundred seventy-five thousand, five hundred sixteen".