1075141561 has 8 divisors (see below), whose sum is σ = 1159376904. Its totient is φ = 991125120.

The previous prime is 1075141559. The next prime is 1075141567. The reversal of 1075141561 is 1651415701.

It can be written as a sum of positive squares in 4 ways, for example, as 5851561 + 1069290000 = 2419^2 + 32700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1075141561 - 2¹ = 1075141559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1075141567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44446 + ... + 64231.

It is an arithmetic number, because the mean of its divisors is an integer number (144922113).

Almost surely, 2^1075141561 is an apocalyptic number.

It is an amenable number.

1075141561 is a deficient number, since it is larger than the sum of its proper divisors (84235343).

1075141561 is a wasteful number, since it uses less digits than its factorization.

1075141561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109451.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 1075141561 is about 32789.3513354565. The cubic root of 1075141561 is about 1024.4447711959. Note that the first 3 decimals are identical.

The spelling of 1075141561 in words is "one billion, seventy-five million, one hundred forty-one thousand, five hundred sixty-one".