1481521123 has 2 divisors, whose sum is σ = 1481521124. Its totient is φ = 1481521122.

The previous prime is 1481521021. The next prime is 1481521127. The reversal of 1481521123 is 3211251841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1481521123 is a prime.

It is a super-2 number, since 2×1481521123² = 4389809675790362258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1481521091 and 1481521100.

It is not a weakly prime, because it can be changed into another prime (1481521127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740760561 + 740760562.

It is an arithmetic number, because the mean of its divisors is an integer number (740760562).

Almost surely, 2^1481521123 is an apocalyptic number.

1481521123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481521123 is an equidigital number, since it uses as much as digits as its factorization.

1481521123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 1481521123 is about 38490.5329009615. The cubic root of 1481521123 is about 1139.9941322669.

Adding to 1481521123 its reverse (3211251841), we get a palindrome (4692772964).

The spelling of 1481521123 in words is "one billion, four hundred eighty-one million, five hundred twenty-one thousand, one hundred twenty-three".