1071081337 has 4 divisors (see below), whose sum is σ = 1072592740. Its totient is φ = 1069569936.

The previous prime is 1071081307. The next prime is 1071081359. The reversal of 1071081337 is 7331801701.

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 438860601 + 632220736 = 20949^2 + 25144^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071081337 - 2¹⁹ = 1070557049 is a prime.

It is a super-2 number, since 2×1071081337² = 2294430460939415138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1071081299 and 1071081308.

It is not an unprimeable number, because it can be changed into a prime (1071081307) 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, 754638 + ... + 756055.

It is an arithmetic number, because the mean of its divisors is an integer number (268148185).

Almost surely, 2^1071081337 is an apocalyptic number.

It is an amenable number.

1071081337 is a deficient number, since it is larger than the sum of its proper divisors (1511403).

1071081337 is an equidigital number, since it uses as much as digits as its factorization.

1071081337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511402.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 1071081337 is about 32727.3790120749. The cubic root of 1071081337 is about 1023.1535544747.

The spelling of 1071081337 in words is "one billion, seventy-one million, eighty-one thousand, three hundred thirty-seven".