1075661123 has 2 divisors, whose sum is σ = 1075661124. Its totient is φ = 1075661122.

The previous prime is 1075661113. The next prime is 1075661131. The reversal of 1075661123 is 3211665701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1075661123 - 2²⁰ = 1074612547 is a prime.

It is a super-2 number, since 2×1075661123² = 2314093703067242258, 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 1075661123.

It is not a weakly prime, because it can be changed into another prime (1075661113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537830561 + 537830562.

It is an arithmetic number, because the mean of its divisors is an integer number (537830562).

Almost surely, 2^1075661123 is an apocalyptic number.

1075661123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075661123 is an equidigital number, since it uses as much as digits as its factorization.

1075661123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1075661123 is about 32797.2731031103. The cubic root of 1075661123 is about 1024.6097655489.

The spelling of 1075661123 in words is "one billion, seventy-five million, six hundred sixty-one thousand, one hundred twenty-three".