1071382997 has 4 divisors (see below), whose sum is σ = 1087373856. Its totient is φ = 1055392140.

The previous prime is 1071382981. The next prime is 1071382999. The reversal of 1071382997 is 7992831701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1071382997 - 2⁴ = 1071382981 is a prime.

It is a super-2 number, since 2×1071382997² = 2295723052521404018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071382999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7995329 + ... + 7995462.

It is an arithmetic number, because the mean of its divisors is an integer number (271843464).

Almost surely, 2^1071382997 is an apocalyptic number.

It is an amenable number.

1071382997 is a deficient number, since it is larger than the sum of its proper divisors (15990859).

1071382997 is an equidigital number, since it uses as much as digits as its factorization.

1071382997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15990858.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 1071382997 is about 32731.9873671001. The cubic root of 1071382997 is about 1023.2495993219.

The spelling of 1071382997 in words is "one billion, seventy-one million, three hundred eighty-two thousand, nine hundred ninety-seven".