1262489 has 4 divisors (see below), whose sum is σ = 1264740. Its totient is φ = 1260240.

The previous prime is 1262483. The next prime is 1262491. The reversal of 1262489 is 9842621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 912025 + 350464 = 955^2 + 592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1262489 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 (1262483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (316185).

2^1262489 is an apocalyptic number.

It is an amenable number.

1262489 is a deficient number, since it is larger than the sum of its proper divisors (2251).

1262489 is a wasteful number, since it uses less digits than its factorization.

1262489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its digits is 6912, while the sum is 32.

The square root of 1262489 is about 1123.6053577658. The cubic root of 1262489 is about 108.0793027517.

The spelling of 1262489 in words is "one million, two hundred sixty-two thousand, four hundred eighty-nine".