1295001283 has 4 divisors (see below), whose sum is σ = 1295093008. Its totient is φ = 1294909560.

The previous prime is 1295001263. The next prime is 1295001289. The reversal of 1295001283 is 3821005921.

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: 3821005921 = 2879 ⋅1327199.

It is a cyclic number.

It is not a de Polignac number, because 1295001283 - 2¹⁷ = 1294870211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1295001289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19716 + ... + 54577.

It is an arithmetic number, because the mean of its divisors is an integer number (323773252).

Almost surely, 2^1295001283 is an apocalyptic number.

1295001283 is a deficient number, since it is larger than the sum of its proper divisors (91725).

1295001283 is an equidigital number, since it uses as much as digits as its factorization.

1295001283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91724.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1295001283 is about 35986.1262572120. The cubic root of 1295001283 is about 1089.9922236631.

The spelling of 1295001283 in words is "one billion, two hundred ninety-five million, one thousand, two hundred eighty-three".