971137 has 4 divisors (see below), whose sum is σ = 1002496. Its totient is φ = 939780.

The previous prime is 971111. The next prime is 971141. The reversal of 971137 is 731179.

It is a happy number.

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 971137 - 2¹⁵ = 938369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971177) 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, 15633 + ... + 15694.

It is an arithmetic number, because the mean of its divisors is an integer number (250624).

2⁹⁷¹¹³⁷ is an apocalyptic number.

It is an amenable number.

971137 is a deficient number, since it is larger than the sum of its proper divisors (31359).

971137 is a wasteful number, since it uses less digits than its factorization.

971137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31358.

The product of its digits is 1323, while the sum is 28.

The square root of 971137 is about 985.4628354230. The cubic root of 971137 is about 99.0284922923.

The spelling of 971137 in words is "nine hundred seventy-one thousand, one hundred thirty-seven".