1071272885 has 4 divisors (see below), whose sum is σ = 1285527468. Its totient is φ = 857018304.

The previous prime is 1071272843. The next prime is 1071272933. The reversal of 1071272885 is 5882721701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 353515204 + 717757681 = 18802^2 + 26791^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071272885 - 2¹⁸ = 1071010741 is a prime.

It is a super-2 number, since 2×1071272885² = 2295251188272446450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107127284 + ... + 107127293.

It is an arithmetic number, because the mean of its divisors is an integer number (321381867).

Almost surely, 2^1071272885 is an apocalyptic number.

It is an amenable number.

1071272885 is a deficient number, since it is larger than the sum of its proper divisors (214254583).

1071272885 is an equidigital number, since it uses as much as digits as its factorization.

1071272885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214254582.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 1071272885 is about 32730.3052995233. The cubic root of 1071272885 is about 1023.2145431001.

The spelling of 1071272885 in words is "one billion, seventy-one million, two hundred seventy-two thousand, eight hundred eighty-five".