1023765971 has 2 divisors, whose sum is σ = 1023765972. Its totient is φ = 1023765970.

The previous prime is 1023765947. The next prime is 1023765983. The reversal of 1023765971 is 1795673201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023765971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023765931) 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 as a sum of consecutive naturals, namely, 511882985 + 511882986.

It is an arithmetic number, because the mean of its divisors is an integer number (511882986).

Almost surely, 2^1023765971 is an apocalyptic number.

1023765971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023765971 is an equidigital number, since it uses as much as digits as its factorization.

1023765971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 1023765971 is about 31996.3430879218. The cubic root of 1023765971 is about 1007.8600481115.

The spelling of 1023765971 in words is "one billion, twenty-three million, seven hundred sixty-five thousand, nine hundred seventy-one".