1072859081 has 12 divisors (see below), whose sum is σ = 1281756672. Its totient is φ = 879608136.

The previous prime is 1072859071. The next prime is 1072859087. The reversal of 1072859081 is 1809582701.

1072859081 = 2501² + 2502² + ... + 2661².

It is not a de Polignac number, because 1072859081 - 2⁶ = 1072859017 is a prime.

It is a super-2 number, since 2×1072859081² = 2302053215368329122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1072859087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141161 + ... + 148566.

It is an arithmetic number, because the mean of its divisors is an integer number (106813056).

Almost surely, 2^1072859081 is an apocalyptic number.

It is an amenable number.

1072859081 is a deficient number, since it is larger than the sum of its proper divisors (208897591).

1072859081 is an equidigital number, since it uses as much as digits as its factorization.

1072859081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289780 (or 289757 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 1072859081 is about 32754.5276412285. The cubic root of 1072859081 is about 1023.7193066225.

The spelling of 1072859081 in words is "one billion, seventy-two million, eight hundred fifty-nine thousand, eighty-one".