1148983647 has 16 divisors (see below), whose sum is σ = 1758104832. Its totient is φ = 653834880.

The previous prime is 1148983621. The next prime is 1148983669. The reversal of 1148983647 is 7463898411.

It is not a de Polignac number, because 1148983647 - 2⁷ = 1148983519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1148983647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148983687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108453 + ... + 118574.

It is an arithmetic number, because the mean of its divisors is an integer number (109881552).

Almost surely, 2^1148983647 is an apocalyptic number.

1148983647 is a deficient number, since it is larger than the sum of its proper divisors (609121185).

1148983647 is a wasteful number, since it uses less digits than its factorization.

1148983647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227278.

The product of its digits is 1161216, while the sum is 51.

The square root of 1148983647 is about 33896.6612957678. The cubic root of 1148983647 is about 1047.3808180221.

The spelling of 1148983647 in words is "one billion, one hundred forty-eight million, nine hundred eighty-three thousand, six hundred forty-seven".