1067492861 has 2 divisors, whose sum is σ = 1067492862. Its totient is φ = 1067492860.

The previous prime is 1067492779. The next prime is 1067492873. The reversal of 1067492861 is 1682947601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 949009636 + 118483225 = 30806^2 + 10885^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067492861 - 2¹⁴ = 1067476477 is a prime.

It is a super-2 number, since 2×1067492861² = 2279082016571930642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1067492761) 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, 533746430 + 533746431.

It is an arithmetic number, because the mean of its divisors is an integer number (533746431).

Almost surely, 2^1067492861 is an apocalyptic number.

It is an amenable number.

1067492861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067492861 is an equidigital number, since it uses as much as digits as its factorization.

1067492861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1067492861 is about 32672.5092547236. The cubic root of 1067492861 is about 1022.0096419907.

The spelling of 1067492861 in words is "one billion, sixty-seven million, four hundred ninety-two thousand, eight hundred sixty-one".