1133300981 has 2 divisors, whose sum is σ = 1133300982. Its totient is φ = 1133300980.

The previous prime is 1133300977. The next prime is 1133301017. The reversal of 1133300981 is 1890033311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008062500 + 125238481 = 31750^2 + 11191^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133300981 - 2² = 1133300977 is a prime.

It is a super-2 number, since 2×1133300981² = 2568742227071124722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133300921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566650490 + 566650491.

It is an arithmetic number, because the mean of its divisors is an integer number (566650491).

Almost surely, 2^1133300981 is an apocalyptic number.

It is an amenable number.

1133300981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133300981 is an equidigital number, since it uses as much as digits as its factorization.

1133300981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1133300981 is about 33664.5359540273. The cubic root of 1133300981 is about 1042.5936805823.

The spelling of 1133300981 in words is "one billion, one hundred thirty-three million, three hundred thousand, nine hundred eighty-one".