1497770123 has 2 divisors, whose sum is σ = 1497770124. Its totient is φ = 1497770122.

The previous prime is 1497770119. The next prime is 1497770129. The reversal of 1497770123 is 3210777941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1497770123 - 2² = 1497770119 is a prime.

It is not a weakly prime, because it can be changed into another prime (1497770129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748885061 + 748885062.

It is an arithmetic number, because the mean of its divisors is an integer number (748885062).

Almost surely, 2^1497770123 is an apocalyptic number.

1497770123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497770123 is an equidigital number, since it uses as much as digits as its factorization.

1497770123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 1497770123 is about 38701.0351670340. The cubic root of 1497770123 is about 1144.1467230249.

The spelling of 1497770123 in words is "one billion, four hundred ninety-seven million, seven hundred seventy thousand, one hundred twenty-three".