1292168 has 8 divisors (see below), whose sum is σ = 2422830. Its totient is φ = 646080.

The previous prime is 1292167. The next prime is 1292177. The reversal of 1292168 is 8612921.

It can be written as a sum of positive squares in only one way, i.e., 770884 + 521284 = 878^2 + 722^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1292168.

It is not an unprimeable number, because it can be changed into a prime (1292167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80753 + ... + 80768.

2^1292168 is an apocalyptic number.

It is an amenable number.

1292168 is a deficient number, since it is larger than the sum of its proper divisors (1130662).

1292168 is a wasteful number, since it uses less digits than its factorization.

1292168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161527 (or 161523 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 1292168 is about 1136.7356772795. The cubic root of 1292168 is about 108.9196726020.

The spelling of 1292168 in words is "one million, two hundred ninety-two thousand, one hundred sixty-eight".