1075640087 has 2 divisors, whose sum is σ = 1075640088. Its totient is φ = 1075640086.

The previous prime is 1075640051. The next prime is 1075640101. The reversal of 1075640087 is 7800465701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1075640087 - 2¹⁰ = 1075639063 is a prime.

It is a super-2 number, since 2×1075640087² = 2314003193522735138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1075640087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1075640017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537820043 + 537820044.

It is an arithmetic number, because the mean of its divisors is an integer number (537820044).

Almost surely, 2^1075640087 is an apocalyptic number.

1075640087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075640087 is an equidigital number, since it uses as much as digits as its factorization.

1075640087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 1075640087 is about 32796.9524041488. The cubic root of 1075640087 is about 1024.6030862980.

The spelling of 1075640087 in words is "one billion, seventy-five million, six hundred forty thousand, eighty-seven".