1027434971 has 2 divisors, whose sum is σ = 1027434972. Its totient is φ = 1027434970.

The previous prime is 1027434929. The next prime is 1027434977. The reversal of 1027434971 is 1794347201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1794347201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1027434971 - 2²² = 1023240667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1027434977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513717485 + 513717486.

It is an arithmetic number, because the mean of its divisors is an integer number (513717486).

Almost surely, 2^1027434971 is an apocalyptic number.

1027434971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1027434971 is an equidigital number, since it uses as much as digits as its factorization.

1027434971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1027434971 is about 32053.6264874975. The cubic root of 1027434971 is about 1009.0626113028.

The spelling of 1027434971 in words is "one billion, twenty-seven million, four hundred thirty-four thousand, nine hundred seventy-one".