1248283963 has 4 divisors (see below), whose sum is σ = 1248421248. Its totient is φ = 1248146680.

The previous prime is 1248283961. The next prime is 1248283969. The reversal of 1248283963 is 3693828421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1248283963 - 2¹ = 1248283961 is a prime.

It is a super-3 number, since 3×1248283963³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1248283961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53956 + ... + 73537.

It is an arithmetic number, because the mean of its divisors is an integer number (312105312).

Almost surely, 2^1248283963 is an apocalyptic number.

1248283963 is a deficient number, since it is larger than the sum of its proper divisors (137285).

1248283963 is an equidigital number, since it uses as much as digits as its factorization.

1248283963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137284.

The product of its digits is 497664, while the sum is 46.

The square root of 1248283963 is about 35331.0622965118. The cubic root of 1248283963 is about 1076.7241739815.

The spelling of 1248283963 in words is "one billion, two hundred forty-eight million, two hundred eighty-three thousand, nine hundred sixty-three".