1075538861 has 8 divisors (see below), whose sum is σ = 1086159360. Its totient is φ = 1064932272.

The previous prime is 1075538851. The next prime is 1075538899. The reversal of 1075538861 is 1688355701.

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 1075538861 - 2¹⁸ = 1075276717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075538851) 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, 222476 + ... + 227258.

It is an arithmetic number, because the mean of its divisors is an integer number (135769920).

Almost surely, 2^1075538861 is an apocalyptic number.

It is an amenable number.

1075538861 is a deficient number, since it is larger than the sum of its proper divisors (10620499).

1075538861 is a wasteful number, since it uses less digits than its factorization.

1075538861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 1075538861 is about 32795.4091451837. The cubic root of 1075538861 is about 1024.5709442811.

The spelling of 1075538861 in words is "one billion, seventy-five million, five hundred thirty-eight thousand, eight hundred sixty-one".