1292489 has 4 divisors (see below), whose sum is σ = 1410000. Its totient is φ = 1174980.

The previous prime is 1292477. The next prime is 1292491. The reversal of 1292489 is 9842921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9842921 = 11 ⋅894811.

It is a cyclic number.

It is not a de Polignac number, because 1292489 - 2¹² = 1288393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1292419) 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 in 3 ways as a sum of consecutive naturals, for example, 58739 + ... + 58760.

It is an arithmetic number, because the mean of its divisors is an integer number (352500).

2^1292489 is an apocalyptic number.

It is an amenable number.

1292489 is a deficient number, since it is larger than the sum of its proper divisors (117511).

1292489 is a wasteful number, since it uses less digits than its factorization.

1292489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117510.

The product of its digits is 10368, while the sum is 35.

The square root of 1292489 is about 1136.8768622854. The cubic root of 1292489 is about 108.9286911198.

The spelling of 1292489 in words is "one million, two hundred ninety-two thousand, four hundred eighty-nine".