1283134963 has 8 divisors (see below), whose sum is σ = 1413374976. Its totient is φ = 1155160200.

The previous prime is 1283134949. The next prime is 1283134967. The reversal of 1283134963 is 3694313821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1283134963 - 2¹³ = 1283126771 is a prime.

It is a super-2 number, since 2×1283134963² = 3292870666546022738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283134967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565123 + ... + 567388.

It is an arithmetic number, because the mean of its divisors is an integer number (176671872).

Almost surely, 2^1283134963 is an apocalyptic number.

1283134963 is a deficient number, since it is larger than the sum of its proper divisors (130240013).

1283134963 is a wasteful number, since it uses less digits than its factorization.

1283134963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132625.

The product of its digits is 93312, while the sum is 40.

The square root of 1283134963 is about 35820.8732863955. The cubic root of 1283134963 is about 1086.6527404947.

The spelling of 1283134963 in words is "one billion, two hundred eighty-three million, one hundred thirty-four thousand, nine hundred sixty-three".