1122742636 has 6 divisors (see below), whose sum is σ = 1964799620. Its totient is φ = 561371316.

The previous prime is 1122742609. The next prime is 1122742711. The reversal of 1122742636 is 6362472211.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140342826 + ... + 140342833.

Almost surely, 2^1122742636 is an apocalyptic number.

It is an amenable number.

1122742636 is a deficient number, since it is larger than the sum of its proper divisors (842056984).

1122742636 is a wasteful number, since it uses less digits than its factorization.

1122742636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280685663 (or 280685661 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 1122742636 is about 33507.3519693813. The cubic root of 1122742636 is about 1039.3458151663.

The spelling of 1122742636 in words is "one billion, one hundred twenty-two million, seven hundred forty-two thousand, six hundred thirty-six".