1122748071 has 4 divisors (see below), whose sum is σ = 1496997432. Its totient is φ = 748498712.

The previous prime is 1122748027. The next prime is 1122748117. The reversal of 1122748071 is 1708472211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1708472211 = 3 ⋅569490737.

It is a cyclic number.

It is not a de Polignac number, because 1122748071 - 2¹³ = 1122739879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122748871) 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, 187124676 + ... + 187124681.

It is an arithmetic number, because the mean of its divisors is an integer number (374249358).

Almost surely, 2^1122748071 is an apocalyptic number.

1122748071 is a deficient number, since it is larger than the sum of its proper divisors (374249361).

1122748071 is an equidigital number, since it uses as much as digits as its factorization.

1122748071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374249360.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 1122748071 is about 33507.4330708874. The cubic root of 1122748071 is about 1039.3474922605.

The spelling of 1122748071 in words is "one billion, one hundred twenty-two million, seven hundred forty-eight thousand, seventy-one".