1121100392 has 64 divisors (see below), whose sum is σ = 2198931840. Its totient is φ = 535449600.

The previous prime is 1121100389. The next prime is 1121100397. The reversal of 1121100392 is 2930011211.

It is not an unprimeable number, because it can be changed into a prime (1121100397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5313167 + ... + 5313377.

It is an arithmetic number, because the mean of its divisors is an integer number (34358310).

Almost surely, 2^1121100392 is an apocalyptic number.

It is an amenable number.

1121100392 is a deficient number, since it is larger than the sum of its proper divisors (1077831448).

1121100392 is a wasteful number, since it uses less digits than its factorization.

1121100392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1121100392 is about 33482.8372752370. The cubic root of 1121100392 is about 1038.8388149382.

The spelling of 1121100392 in words is "one billion, one hundred twenty-one million, one hundred thousand, three hundred ninety-two".