1490720027 has 2 divisors, whose sum is σ = 1490720028. Its totient is φ = 1490720026.

The previous prime is 1490720017. The next prime is 1490720039. The reversal of 1490720027 is 7200270941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1490720027 - 2⁶ = 1490719963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1490719975 and 1490720002.

It is not a weakly prime, because it can be changed into another prime (1490720017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745360013 + 745360014.

It is an arithmetic number, because the mean of its divisors is an integer number (745360014).

Almost surely, 2^1490720027 is an apocalyptic number.

1490720027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490720027 is an equidigital number, since it uses as much as digits as its factorization.

1490720027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1490720027 is about 38609.8436541771. The cubic root of 1490720027 is about 1142.3487093040.

Adding to 1490720027 its reverse (7200270941), we get a palindrome (8690990968).

The spelling of 1490720027 in words is "one billion, four hundred ninety million, seven hundred twenty thousand, twenty-seven".