1292089 has 2 divisors, whose sum is σ = 1292090. Its totient is φ = 1292088.

The previous prime is 1292069. The next prime is 1292099. The reversal of 1292089 is 9802921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 984064 + 308025 = 992^2 + 555^2 .

It is an emirp because it is prime and its reverse (9802921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1292089 - 2¹³ = 1283897 is a prime.

It is a Chen prime.

1292089 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1292089.

It is not a weakly prime, because it can be changed into another prime (1292009) 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 as a sum of consecutive naturals, namely, 646044 + 646045.

It is an arithmetic number, because the mean of its divisors is an integer number (646045).

2^1292089 is an apocalyptic number.

It is an amenable number.

1292089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1292089 is an equidigital number, since it uses as much as digits as its factorization.

1292089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1292089 is about 1136.7009281249. The cubic root of 1292089 is about 108.9174528624.

The spelling of 1292089 in words is "one million, two hundred ninety-two thousand, eighty-nine".