971438119 has 2 divisors, whose sum is σ = 971438120. Its totient is φ = 971438118.

The previous prime is 971438081. The next prime is 971438129. The reversal of 971438119 is 911834179.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-971438119 is a prime.

It is a super-2 number, since 2×971438119² = 1887384038092516322, which contains 22 as substring.

It is equal to p_49468309 and since 971438119 and 49468309 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971438129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485719059 + 485719060.

It is an arithmetic number, because the mean of its divisors is an integer number (485719060).

Almost surely, 2^971438119 is an apocalyptic number.

971438119 is a deficient number, since it is larger than the sum of its proper divisors (1).

971438119 is an equidigital number, since it uses as much as digits as its factorization.

971438119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 43.

The square root of 971438119 is about 31167.9020628595. The cubic root of 971438119 is about 990.3872644016.

The spelling of 971438119 in words is "nine hundred seventy-one million, four hundred thirty-eight thousand, one hundred nineteen".