1019112772 has 6 divisors (see below), whose sum is σ = 1783447358. Its totient is φ = 509556384.

The previous prime is 1019112739. The next prime is 1019112863. The reversal of 1019112772 is 2772119101.

It can be written as a sum of positive squares in only one way, i.e., 872847936 + 146264836 = 29544^2 + 12094^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127389093 + ... + 127389100.

Almost surely, 2^1019112772 is an apocalyptic number.

It is an amenable number.

1019112772 is a deficient number, since it is larger than the sum of its proper divisors (764334586).

1019112772 is a wasteful number, since it uses less digits than its factorization.

1019112772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254778197 (or 254778195 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 31.

The square root of 1019112772 is about 31923.5457303853. The cubic root of 1019112772 is about 1006.3307608907.

The spelling of 1019112772 in words is "one billion, nineteen million, one hundred twelve thousand, seven hundred seventy-two".