1075146891 has 64 divisors (see below), whose sum is σ = 1864138752. Its totient is φ = 535658112.

The previous prime is 1075146887. The next prime is 1075146953. The reversal of 1075146891 is 1986415701.

It is not a de Polignac number, because 1075146891 - 2² = 1075146887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1075146811) 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 in 63 ways as a sum of consecutive naturals, for example, 520126 + ... + 522188.

It is an arithmetic number, because the mean of its divisors is an integer number (29127168).

Almost surely, 2^1075146891 is an apocalyptic number.

1075146891 is a deficient number, since it is larger than the sum of its proper divisors (788991861).

1075146891 is a wasteful number, since it uses less digits than its factorization.

1075146891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 1075146891 is about 32789.4326117425. The cubic root of 1075146891 is about 1024.4464640836.

The spelling of 1075146891 in words is "one billion, seventy-five million, one hundred forty-six thousand, eight hundred ninety-one".