1269120 has 64 divisors (see below), whose sum is σ = 4051440. Its totient is φ = 337920.

The previous prime is 1269119. The next prime is 1269131. The reversal of 1269120 is 219621.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1269120² = 3221331148800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590 + ... + 2250.

2^1269120 is an apocalyptic number.

1269120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1269120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025720).

1269120 is an abundant number, since it is smaller than the sum of its proper divisors (2782320).

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

1269120 is an equidigital number, since it uses as much as digits as its factorization.

1269120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1269120 is about 1126.5522624361. The cubic root of 1269120 is about 108.2681948981.

The spelling of 1269120 in words is "one million, two hundred sixty-nine thousand, one hundred twenty".