1481558123 has 2 divisors, whose sum is σ = 1481558124. Its totient is φ = 1481558122.

The previous prime is 1481558053. The next prime is 1481558137. The reversal of 1481558123 is 3218551841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1481558123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1481558153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740779061 + 740779062.

It is an arithmetic number, because the mean of its divisors is an integer number (740779062).

Almost surely, 2^1481558123 is an apocalyptic number.

1481558123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481558123 is an equidigital number, since it uses as much as digits as its factorization.

1481558123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 38.

The square root of 1481558123 is about 38491.0135356293. The cubic root of 1481558123 is about 1140.0036223851.

The spelling of 1481558123 in words is "one billion, four hundred eighty-one million, five hundred fifty-eight thousand, one hundred twenty-three".