971261245 has 8 divisors (see below), whose sum is σ = 1185268320. Its totient is φ = 763839120.

The previous prime is 971261237. The next prime is 971261257. The reversal of 971261245 is 542162179.

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

It is not a de Polignac number, because 971261245 - 2³ = 971261237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645911 + ... + 1646500.

It is an arithmetic number, because the mean of its divisors is an integer number (148158540).

Almost surely, 2^971261245 is an apocalyptic number.

It is an amenable number.

971261245 is a deficient number, since it is larger than the sum of its proper divisors (214007075).

971261245 is a wasteful number, since it uses less digits than its factorization.

971261245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292475.

The product of its digits is 30240, while the sum is 37.

The square root of 971261245 is about 31165.0644953608. The cubic root of 971261245 is about 990.3271527018.

The spelling of 971261245 in words is "nine hundred seventy-one million, two hundred sixty-one thousand, two hundred forty-five".