9971045 has 16 divisors (see below), whose sum is σ = 13730688. Its totient is φ = 6809280.

The previous prime is 9971033. The next prime is 9971047. The reversal of 9971045 is 5401799.

It is not a de Polignac number, because 9971045 - 2⁶ = 9970981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9970996 and 9971014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9971047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11735 + ... + 12555.

It is an arithmetic number, because the mean of its divisors is an integer number (858168).

Almost surely, 2^9971045 is an apocalyptic number.

It is an amenable number.

9971045 is a deficient number, since it is larger than the sum of its proper divisors (3759643).

9971045 is a wasteful number, since it uses less digits than its factorization.

9971045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 9971045 is about 3157.6961538438. The cubic root of 9971045 is about 215.2353291292.

The spelling of 9971045 in words is "nine million, nine hundred seventy-one thousand, forty-five".