1075226981 has 2 divisors, whose sum is σ = 1075226982. Its totient is φ = 1075226980.

The previous prime is 1075226969. The next prime is 1075226983. The reversal of 1075226981 is 1896225701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639837025 + 435389956 = 25295^2 + 20866^2 .

It is a cyclic number.

It is not a de Polignac number, because 1075226981 - 2¹⁴ = 1075210597 is a prime.

It is a super-2 number, since 2×1075226981² = 2312226121340748722, which contains 22 as substring.

Together with 1075226983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1075226983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537613490 + 537613491.

It is an arithmetic number, because the mean of its divisors is an integer number (537613491).

Almost surely, 2^1075226981 is an apocalyptic number.

It is an amenable number.

1075226981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075226981 is an equidigital number, since it uses as much as digits as its factorization.

1075226981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1075226981 is about 32790.6538666127. The cubic root of 1075226981 is about 1024.4719011908.

The spelling of 1075226981 in words is "one billion, seventy-five million, two hundred twenty-six thousand, nine hundred eighty-one".