1087579 has 4 divisors (see below), whose sum is σ = 1144840. Its totient is φ = 1030320.

The previous prime is 1087561. The next prime is 1087589. The reversal of 1087579 is 9757801.

1087579 = T₂₂₀ + T₂₂₁ + ... + T₂₅₇.

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

It is a cyclic number.

It is not a de Polignac number, because 1087579 - 2⁷ = 1087451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28602 + ... + 28639.

It is an arithmetic number, because the mean of its divisors is an integer number (286210).

2^1087579 is an apocalyptic number.

1087579 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1087579 is the 852-nd centered triangular number.

1087579 is a deficient number, since it is larger than the sum of its proper divisors (57261).

1087579 is an equidigital number, since it uses as much as digits as its factorization.

1087579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57260.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 1087579 is about 1042.8705576437. The cubic root of 1087579 is about 102.8379958665.

The spelling of 1087579 in words is "one million, eighty-seven thousand, five hundred seventy-nine".