1067240 has 16 divisors (see below), whose sum is σ = 2401380. Its totient is φ = 426880.

The previous prime is 1067239. The next prime is 1067263. The reversal of 1067240 is 427601.

It can be written as a sum of positive squares in 2 ways, for example, as 857476 + 209764 = 926^2 + 458^2 .

It is a super-2 number, since 2×1067240² = 2278002435200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13301 + ... + 13380.

2^1067240 is an apocalyptic number.

1067240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1067240 is an abundant number, since it is smaller than the sum of its proper divisors (1334140).

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

1067240 is a wasteful number, since it uses less digits than its factorization.

1067240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26692 (or 26688 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1067240 is about 1033.0730855075. The cubic root of 1067240 is about 102.1928939878.

It can be divided in two parts, 10 and 67240, that multiplied together give a square (672400 = 820²).

The spelling of 1067240 in words is "one million, sixty-seven thousand, two hundred forty".