1148656747 has 8 divisors (see below), whose sum is σ = 1312989696. Its totient is φ = 984383592.

The previous prime is 1148656709. The next prime is 1148656763. The reversal of 1148656747 is 7476568411.

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-1148656747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148656747.

It is not an unprimeable number, because it can be changed into a prime (1148156747) 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, 39408 + ... + 62050.

It is an arithmetic number, because the mean of its divisors is an integer number (164123712).

Almost surely, 2^1148656747 is an apocalyptic number.

1148656747 is a deficient number, since it is larger than the sum of its proper divisors (164332949).

1148656747 is an equidigital number, since it uses as much as digits as its factorization.

1148656747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29897.

The product of its digits is 1128960, while the sum is 49.

The square root of 1148656747 is about 33891.8389439110. The cubic root of 1148656747 is about 1047.2814776857.

The spelling of 1148656747 in words is "one billion, one hundred forty-eight million, six hundred fifty-six thousand, seven hundred forty-seven".