1487239123 has 2 divisors, whose sum is σ = 1487239124. Its totient is φ = 1487239122.

The previous prime is 1487239121. The next prime is 1487239163. The reversal of 1487239123 is 3219327841.

It is an a-pointer prime, because the next prime (1487239163) can be obtained adding 1487239123 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1487239123 - 2¹ = 1487239121 is a prime.

Together with 1487239121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1487239121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743619561 + 743619562.

It is an arithmetic number, because the mean of its divisors is an integer number (743619562).

Almost surely, 2^1487239123 is an apocalyptic number.

1487239123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487239123 is an equidigital number, since it uses as much as digits as its factorization.

1487239123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 1487239123 is about 38564.7393742004. The cubic root of 1487239123 is about 1141.4588696795.

The spelling of 1487239123 in words is "one billion, four hundred eighty-seven million, two hundred thirty-nine thousand, one hundred twenty-three".