1121769672 has 16 divisors (see below), whose sum is σ = 2804424240. Its totient is φ = 373923216.

The previous prime is 1121769647. The next prime is 1121769679. The reversal of 1121769672 is 2769671211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121769679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23370178 + ... + 23370225.

It is an arithmetic number, because the mean of its divisors is an integer number (175276515).

Almost surely, 2^1121769672 is an apocalyptic number.

1121769672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121769672 is an abundant number, since it is smaller than the sum of its proper divisors (1682654568).

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

1121769672 is a wasteful number, since it uses less digits than its factorization.

1121769672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46740412 (or 46740408 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 1121769672 is about 33492.8301581100. The cubic root of 1121769672 is about 1039.0454975085.

The spelling of 1121769672 in words is "one billion, one hundred twenty-one million, seven hundred sixty-nine thousand, six hundred seventy-two".