1011321067 has 2 divisors, whose sum is σ = 1011321068. Its totient is φ = 1011321066.

The previous prime is 1011321061. The next prime is 1011321079. The reversal of 1011321067 is 7601231101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011321067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011321061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505660533 + 505660534.

It is an arithmetic number, because the mean of its divisors is an integer number (505660534).

Almost surely, 2^1011321067 is an apocalyptic number.

1011321067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011321067 is an equidigital number, since it uses as much as digits as its factorization.

1011321067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1011321067 is about 31801.2746128202. The cubic root of 1011321067 is about 1003.7595371677.

Adding to 1011321067 its reverse (7601231101), we get a palindrome (8612552168).

The spelling of 1011321067 in words is "one billion, eleven million, three hundred twenty-one thousand, sixty-seven".