1148132387 has 4 divisors (see below), whose sum is σ = 1148213256. Its totient is φ = 1148051520.

The previous prime is 1148132353. The next prime is 1148132429. The reversal of 1148132387 is 7832318411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7832318411 = 443 ⋅17680177.

It is a cyclic number.

It is not a de Polignac number, because 1148132387 - 2²⁸ = 879696931 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 1148132387.

It is not an unprimeable number, because it can be changed into a prime (1148132287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12878 + ... + 49619.

It is an arithmetic number, because the mean of its divisors is an integer number (287053314).

Almost surely, 2^1148132387 is an apocalyptic number.

1148132387 is a deficient number, since it is larger than the sum of its proper divisors (80869).

1148132387 is an equidigital number, since it uses as much as digits as its factorization.

1148132387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80868.

The product of its digits is 32256, while the sum is 38.

The square root of 1148132387 is about 33884.1022752559. The cubic root of 1148132387 is about 1047.1220926473.

The spelling of 1148132387 in words is "one billion, one hundred forty-eight million, one hundred thirty-two thousand, three hundred eighty-seven".