1269248 has 40 divisors (see below), whose sum is σ = 2643432. Its totient is φ = 608256.

The previous prime is 1269241. The next prime is 1269253. The reversal of 1269248 is 8429621.

It is a super-2 number, since 2×1269248² = 3221980971008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1269241) 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, 18911 + ... + 18977.

2^1269248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1269248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321716).

1269248 is an abundant number, since it is smaller than the sum of its proper divisors (1374184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1269248 is an frugal number, since it uses more digits than its factorization.

1269248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 106 counting only the distinct ones).

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

The square root of 1269248 is about 1126.6090715062. The cubic root of 1269248 is about 108.2718346545.

The spelling of 1269248 in words is "one million, two hundred sixty-nine thousand, two hundred forty-eight".