1112398771 has 4 divisors (see below), whose sum is σ = 1213525944. Its totient is φ = 1011271600.

The previous prime is 1112398769. The next prime is 1112398787. The reversal of 1112398771 is 1778932111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1112398771 - 2¹ = 1112398769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112398711) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 50563570 + ... + 50563591.

It is an arithmetic number, because the mean of its divisors is an integer number (303381486).

Almost surely, 2^1112398771 is an apocalyptic number.

1112398771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112398771 is a deficient number, since it is larger than the sum of its proper divisors (101127173).

1112398771 is a wasteful number, since it uses less digits than its factorization.

1112398771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101127172.

The product of its digits is 21168, while the sum is 40.

The square root of 1112398771 is about 33352.6426389274. The cubic root of 1112398771 is about 1036.1441200570.

The spelling of 1112398771 in words is "one billion, one hundred twelve million, three hundred ninety-eight thousand, seven hundred seventy-one".