1088642 has 8 divisors (see below), whose sum is σ = 1647756. Its totient is φ = 539392.

The previous prime is 1088641. The next prime is 1088657. The reversal of 1088642 is 2468801.

1088642 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 776161 + 312481 = 881^2 + 559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1088641) by changing a digit.

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, 2183 + ... + 2634.

2^1088642 is an apocalyptic number.

1088642 is a deficient number, since it is larger than the sum of its proper divisors (559114).

1088642 is a wasteful number, since it uses less digits than its factorization.

1088642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1088642 is about 1043.3800841496. The cubic root of 1088642 is about 102.8714895846.

The spelling of 1088642 in words is "one million, eighty-eight thousand, six hundred forty-two".