1122728716 has 24 divisors (see below), whose sum is σ = 2074915584. Its totient is φ = 530484240.

The previous prime is 1122728713. The next prime is 1122728723. The reversal of 1122728716 is 6178272211.

It is not an unprimeable number, because it can be changed into a prime (1122728713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65880 + ... + 81151.

It is an arithmetic number, because the mean of its divisors is an integer number (86454816).

Almost surely, 2^1122728716 is an apocalyptic number.

It is an amenable number.

1122728716 is a deficient number, since it is larger than the sum of its proper divisors (952186868).

1122728716 is a wasteful number, since it uses less digits than its factorization.

1122728716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147141 (or 147139 counting only the distinct ones).

The product of its digits is 18816, while the sum is 37.

The square root of 1122728716 is about 33507.1442531291. The cubic root of 1122728716 is about 1039.3415198057.

The spelling of 1122728716 in words is "one billion, one hundred twenty-two million, seven hundred twenty-eight thousand, seven hundred sixteen".