861053107 has 8 divisors (see below), whose sum is σ = 869582880. Its totient is φ = 852539520.

The previous prime is 861053101. The next prime is 861053119. The reversal of 861053107 is 701350168.

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 861053107 - 2²³ = 852664499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (861053101) 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, 121882 + ... + 128752.

It is an arithmetic number, because the mean of its divisors is an integer number (108697860).

Almost surely, 2^861053107 is an apocalyptic number.

861053107 is a deficient number, since it is larger than the sum of its proper divisors (8529773).

861053107 is a wasteful number, since it uses less digits than its factorization.

861053107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 861053107 is about 29343.7064291476. The cubic root of 861053107 is about 951.3565502685.

The spelling of 861053107 in words is "eight hundred sixty-one million, fifty-three thousand, one hundred seven".