1123561295 has 16 divisors (see below), whose sum is σ = 1423562880. Its totient is φ = 848944800.

The previous prime is 1123561279. The next prime is 1123561321. The reversal of 1123561295 is 5921653211.

It is not a de Polignac number, because 1123561295 - 2⁴ = 1123561279 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13580 + ... + 49310.

It is an arithmetic number, because the mean of its divisors is an integer number (88972680).

Almost surely, 2^1123561295 is an apocalyptic number.

1123561295 is a deficient number, since it is larger than the sum of its proper divisors (300001585).

1123561295 is a wasteful number, since it uses less digits than its factorization.

1123561295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36086.

The product of its digits is 16200, while the sum is 35.

The square root of 1123561295 is about 33519.5658533937. The cubic root of 1123561295 is about 1039.5983702504.

The spelling of 1123561295 in words is "one billion, one hundred twenty-three million, five hundred sixty-one thousand, two hundred ninety-five".