1072271806 has 8 divisors (see below), whose sum is σ = 1610895600. Its totient is φ = 535306608.

The previous prime is 1072271801. The next prime is 1072271807. The reversal of 1072271806 is 6081722701.

It is a happy number.

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

It is a super-2 number, since 2×1072271806² = 2299533651885003272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072271801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413031 + ... + 415618.

It is an arithmetic number, because the mean of its divisors is an integer number (201361950).

Almost surely, 2^1072271806 is an apocalyptic number.

1072271806 is a deficient number, since it is larger than the sum of its proper divisors (538623794).

1072271806 is an equidigital number, since it uses as much as digits as its factorization.

1072271806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829298.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1072271806 is about 32745.5616229131. The cubic root of 1072271806 is about 1023.5324804437.

It can be divided in two parts, 10722 and 71806, that added together give a palindrome (82528).

The spelling of 1072271806 in words is "one billion, seventy-two million, two hundred seventy-one thousand, eight hundred six".