1067642 has 4 divisors (see below), whose sum is σ = 1601466. Its totient is φ = 533820.

The previous prime is 1067639. The next prime is 1067653. The reversal of 1067642 is 2467601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 755161 + 312481 = 869^2 + 559^2 .

It is a super-2 number, since 2×1067642² = 2279718880328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266909 + ... + 266912.

2^1067642 is an apocalyptic number.

1067642 is a deficient number, since it is larger than the sum of its proper divisors (533824).

1067642 is an equidigital number, since it uses as much as digits as its factorization.

1067642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533823.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1067642 is about 1033.2676323199. The cubic root of 1067642 is about 102.2057234627.

The spelling of 1067642 in words is "one million, sixty-seven thousand, six hundred forty-two".