1122748073 has 4 divisors (see below), whose sum is σ = 1123835988. Its totient is φ = 1121660160.

The previous prime is 1122748027. The next prime is 1122748117. The reversal of 1122748073 is 3708472211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 701349289 + 421398784 = 26483^2 + 20528^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122748073 - 2⁶ = 1122748009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122748373) 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, 542408 + ... + 544473.

It is an arithmetic number, because the mean of its divisors is an integer number (280958997).

Almost surely, 2^1122748073 is an apocalyptic number.

It is an amenable number.

1122748073 is a deficient number, since it is larger than the sum of its proper divisors (1087915).

1122748073 is a wasteful number, since it uses less digits than its factorization.

1122748073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087914.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1122748073 is about 33507.4331007315. The cubic root of 1122748073 is about 1039.3474928776.

The spelling of 1122748073 in words is "one billion, one hundred twenty-two million, seven hundred forty-eight thousand, seventy-three".