1087231637 has 2 divisors, whose sum is σ = 1087231638. Its totient is φ = 1087231636.

The previous prime is 1087231577. The next prime is 1087231669. The reversal of 1087231637 is 7361327801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1086954961 + 276676 = 32969^2 + 526^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087231637 - 2¹⁴ = 1087215253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1087231637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087231687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543615818 + 543615819.

It is an arithmetic number, because the mean of its divisors is an integer number (543615819).

Almost surely, 2^1087231637 is an apocalyptic number.

It is an amenable number.

1087231637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087231637 is an equidigital number, since it uses as much as digits as its factorization.

1087231637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1087231637 is about 32973.1957353242. The cubic root of 1087231637 is about 1028.2704618877.

The spelling of 1087231637 in words is "one billion, eighty-seven million, two hundred thirty-one thousand, six hundred thirty-seven".