1283457161 has 8 divisors (see below), whose sum is σ = 1474489344. Its totient is φ = 1094345280.

The previous prime is 1283457139. The next prime is 1283457179. The reversal of 1283457161 is 1617543821.

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

It is not a de Polignac number, because 1283457161 - 2¹⁴ = 1283440777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283457101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478640 + ... + 481313.

It is an arithmetic number, because the mean of its divisors is an integer number (184311168).

Almost surely, 2^1283457161 is an apocalyptic number.

It is an amenable number.

1283457161 is a deficient number, since it is larger than the sum of its proper divisors (191032183).

1283457161 is an equidigital number, since it uses as much as digits as its factorization.

1283457161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960151.

The product of its digits is 40320, while the sum is 38.

The square root of 1283457161 is about 35825.3703539824. The cubic root of 1283457161 is about 1086.7436865107.

The spelling of 1283457161 in words is "one billion, two hundred eighty-three million, four hundred fifty-seven thousand, one hundred sixty-one".