1491054079 has 2 divisors, whose sum is σ = 1491054080. Its totient is φ = 1491054078.

The previous prime is 1491054067. The next prime is 1491054091. The reversal of 1491054079 is 9704501941.

It is a balanced prime because it is at equal distance from previous prime (1491054067) and next prime (1491054091).

It is a cyclic number.

It is not a de Polignac number, because 1491054079 - 2⁷ = 1491053951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1491054029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745527039 + 745527040.

It is an arithmetic number, because the mean of its divisors is an integer number (745527040).

Almost surely, 2^1491054079 is an apocalyptic number.

1491054079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1491054079 is an equidigital number, since it uses as much as digits as its factorization.

1491054079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 1491054079 is about 38614.1694070972. The cubic root of 1491054079 is about 1142.4340316904.

The spelling of 1491054079 in words is "one billion, four hundred ninety-one million, fifty-four thousand, seventy-nine".