971137901 has 16 divisors (see below), whose sum is σ = 1022363904. Its totient is φ = 920709504.

The previous prime is 971137891. The next prime is 971137913. The reversal of 971137901 is 109731179.

It is not a de Polignac number, because 971137901 - 2¹⁰ = 971136877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971137991) 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 15 ways as a sum of consecutive naturals, for example, 1993880 + ... + 1994366.

It is an arithmetic number, because the mean of its divisors is an integer number (63897744).

Almost surely, 2^971137901 is an apocalyptic number.

It is an amenable number.

971137901 is a deficient number, since it is larger than the sum of its proper divisors (51226003).

971137901 is a wasteful number, since it uses less digits than its factorization.

971137901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 11907, while the sum is 38.

The square root of 971137901 is about 31163.0855500543. The cubic root of 971137901 is about 990.2852291774.

The spelling of 971137901 in words is "nine hundred seventy-one million, one hundred thirty-seven thousand, nine hundred one".