1092720019 has 2 divisors, whose sum is σ = 1092720020. Its totient is φ = 1092720018.

The previous prime is 1092719989. The next prime is 1092720037. The reversal of 1092720019 is 9100272901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1092720019 - 2¹⁵ = 1092687251 is a prime.

It is a super-2 number, since 2×1092720019² = 2388074079846720722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1092720049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546360009 + 546360010.

It is an arithmetic number, because the mean of its divisors is an integer number (546360010).

Almost surely, 2^1092720019 is an apocalyptic number.

1092720019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092720019 is an equidigital number, since it uses as much as digits as its factorization.

1092720019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1092720019 is about 33056.3158715547. The cubic root of 1092720019 is about 1029.9978065746.

The spelling of 1092720019 in words is "one billion, ninety-two million, seven hundred twenty thousand, nineteen".