1361021119 has 2 divisors, whose sum is σ = 1361021120. Its totient is φ = 1361021118.

The previous prime is 1361021093. The next prime is 1361021147. The reversal of 1361021119 is 9111201631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361021119 - 2¹⁹ = 1360496831 is a prime.

It is a super-2 number, since 2×1361021119² = 3704756972728024322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1361021093 and 1361021102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361001119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680510559 + 680510560.

It is an arithmetic number, because the mean of its divisors is an integer number (680510560).

Almost surely, 2^1361021119 is an apocalyptic number.

1361021119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361021119 is an equidigital number, since it uses as much as digits as its factorization.

1361021119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1361021119 is about 36892.0197197172. The cubic root of 1361021119 is about 1108.2088687615.

The spelling of 1361021119 in words is "one billion, three hundred sixty-one million, twenty-one thousand, one hundred nineteen".