1123730497 has 8 divisors (see below), whose sum is σ = 1128989312. Its totient is φ = 1118480400.

The previous prime is 1123730479. The next prime is 1123730519. The reversal of 1123730497 is 7940373211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123730497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123730437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504847 + ... + 507067.

It is an arithmetic number, because the mean of its divisors is an integer number (141123664).

Almost surely, 2^1123730497 is an apocalyptic number.

It is an amenable number.

1123730497 is a deficient number, since it is larger than the sum of its proper divisors (5258815).

1123730497 is a wasteful number, since it uses less digits than its factorization.

1123730497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 1123730497 is about 33522.0896872495. The cubic root of 1123730497 is about 1039.6505535166.

The spelling of 1123730497 in words is "one billion, one hundred twenty-three million, seven hundred thirty thousand, four hundred ninety-seven".