1071017897 has 8 divisors (see below), whose sum is σ = 1127752800. Its totient is φ = 1014319584.

The previous prime is 1071017863. The next prime is 1071017911. The reversal of 1071017897 is 7987101701.

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

It is a cyclic number.

It is not a de Polignac number, because 1071017897 - 2²⁰ = 1069969321 is a prime.

It is a super-2 number, since 2×1071017897² = 2294158671388605218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071017197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67478 + ... + 81824.

It is an arithmetic number, because the mean of its divisors is an integer number (140969100).

Almost surely, 2^1071017897 is an apocalyptic number.

It is an amenable number.

1071017897 is a deficient number, since it is larger than the sum of its proper divisors (56734903).

1071017897 is a wasteful number, since it uses less digits than its factorization.

1071017897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18295.

The product of its (nonzero) digits is 24696, while the sum is 41.

The square root of 1071017897 is about 32726.4097786482. The cubic root of 1071017897 is about 1023.1333536612.

The spelling of 1071017897 in words is "one billion, seventy-one million, seventeen thousand, eight hundred ninety-seven".