1087270539 has 4 divisors (see below), whose sum is σ = 1449694056. Its totient is φ = 724847024.

The previous prime is 1087270537. The next prime is 1087270543. The reversal of 1087270539 is 9350727801.

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 1087270539 - 2¹ = 1087270537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1087270539.

It is not an unprimeable number, because it can be changed into a prime (1087270537) 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, 181211754 + ... + 181211759.

It is an arithmetic number, because the mean of its divisors is an integer number (362423514).

Almost surely, 2^1087270539 is an apocalyptic number.

1087270539 is a deficient number, since it is larger than the sum of its proper divisors (362423517).

1087270539 is an equidigital number, since it uses as much as digits as its factorization.

1087270539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362423516.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 1087270539 is about 32973.7856334392. The cubic root of 1087270539 is about 1028.2827258491.

The spelling of 1087270539 in words is "one billion, eighty-seven million, two hundred seventy thousand, five hundred thirty-nine".