1026972971 has 4 divisors (see below), whose sum is σ = 1081024200. Its totient is φ = 972921744.

The previous prime is 1026972959. The next prime is 1026973001. The reversal of 1026972971 is 1792796201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026972971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026972571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27025586 + ... + 27025623.

It is an arithmetic number, because the mean of its divisors is an integer number (270256050).

Almost surely, 2^1026972971 is an apocalyptic number.

1026972971 is a deficient number, since it is larger than the sum of its proper divisors (54051229).

1026972971 is an equidigital number, since it uses as much as digits as its factorization.

1026972971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54051228.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 1026972971 is about 32046.4190043131. The cubic root of 1026972971 is about 1008.9113424204.

The spelling of 1026972971 in words is "one billion, twenty-six million, nine hundred seventy-two thousand, nine hundred seventy-one".