1283097387 has 32 divisors (see below), whose sum is σ = 2012887296. Its totient is φ = 716745600.

The previous prime is 1283097377. The next prime is 1283097391. The reversal of 1283097387 is 7837903821.

It is not a de Polignac number, because 1283097387 - 2¹⁰ = 1283096363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1283097307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350388 + ... + 354030.

It is an arithmetic number, because the mean of its divisors is an integer number (62902728).

Almost surely, 2^1283097387 is an apocalyptic number.

1283097387 is a deficient number, since it is larger than the sum of its proper divisors (729789909).

1283097387 is a wasteful number, since it uses less digits than its factorization.

1283097387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 1283097387 is about 35820.3487838966. The cubic root of 1283097387 is about 1086.6421330207.

The spelling of 1283097387 in words is "one billion, two hundred eighty-three million, ninety-seven thousand, three hundred eighty-seven".