1071892231 has 2 divisors, whose sum is σ = 1071892232. Its totient is φ = 1071892230.

The previous prime is 1071892187. The next prime is 1071892273. The reversal of 1071892231 is 1322981701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1071892231 - 2⁹ = 1071891719 is a prime.

It is a super-2 number, since 2×1071892231² = 2297905909756314722, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071892291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535946115 + 535946116.

It is an arithmetic number, because the mean of its divisors is an integer number (535946116).

Almost surely, 2^1071892231 is an apocalyptic number.

1071892231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071892231 is an equidigital number, since it uses as much as digits as its factorization.

1071892231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1071892231 is about 32739.7652862692. The cubic root of 1071892231 is about 1023.4116922907.

The spelling of 1071892231 in words is "one billion, seventy-one million, eight hundred ninety-two thousand, two hundred thirty-one".