1087426 has 4 divisors (see below), whose sum is σ = 1631142. Its totient is φ = 543712.

The previous prime is 1087423. The next prime is 1087433. The reversal of 1087426 is 6247801.

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., 811801 + 275625 = 901^2 + 525^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1087394 and 1087403.

It is not an unprimeable number, because it can be changed into a prime (1087423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271855 + ... + 271858.

2^1087426 is an apocalyptic number.

1087426 is a deficient number, since it is larger than the sum of its proper divisors (543716).

1087426 is an equidigital number, since it uses as much as digits as its factorization.

1087426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543715.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1087426 is about 1042.7971998428. The cubic root of 1087426 is about 102.8331732432.

The spelling of 1087426 in words is "one million, eighty-seven thousand, four hundred twenty-six".