19129027 has 2 divisors, whose sum is σ = 19129028. Its totient is φ = 19129026.

The previous prime is 19129021. The next prime is 19129043. The reversal of 19129027 is 72092191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19129027 - 2¹⁹ = 18604739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19129027.

It is not a weakly prime, because it can be changed into another prime (19129021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9564513 + 9564514.

It is an arithmetic number, because the mean of its divisors is an integer number (9564514).

Almost surely, 2^19129027 is an apocalyptic number.

19129027 is a deficient number, since it is larger than the sum of its proper divisors (1).

19129027 is an equidigital number, since it uses as much as digits as its factorization.

19129027 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 19129027 is about 4373.6743134349. The cubic root of 19129027 is about 267.4428305347.

The spelling of 19129027 in words is "nineteen million, one hundred twenty-nine thousand, twenty-seven".