1267489 has 4 divisors (see below), whose sum is σ = 1269760. Its totient is φ = 1265220.

The previous prime is 1267481. The next prime is 1267501. The reversal of 1267489 is 9847621.

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: 9847621 = 7 ⋅1406803.

It is a cyclic number.

It is not a de Polignac number, because 1267489 - 2³ = 1267481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1267481) 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, 352 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (317440).

2^1267489 is an apocalyptic number.

It is an amenable number.

1267489 is a deficient number, since it is larger than the sum of its proper divisors (2271).

1267489 is an equidigital number, since it uses as much as digits as its factorization.

1267489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270.

The product of its digits is 24192, while the sum is 37.

The square root of 1267489 is about 1125.8281396377. The cubic root of 1267489 is about 108.2217949974.

The spelling of 1267489 in words is "one million, two hundred sixty-seven thousand, four hundred eighty-nine".