1489162123 has 2 divisors, whose sum is σ = 1489162124. Its totient is φ = 1489162122.

The previous prime is 1489162043. The next prime is 1489162127. The reversal of 1489162123 is 3212619841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1489162123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1489162127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744581061 + 744581062.

It is an arithmetic number, because the mean of its divisors is an integer number (744581062).

Almost surely, 2^1489162123 is an apocalyptic number.

1489162123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489162123 is an equidigital number, since it uses as much as digits as its factorization.

1489162123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 1489162123 is about 38589.6634216988. The cubic root of 1489162123 is about 1141.9506265184.

The spelling of 1489162123 in words is "one billion, four hundred eighty-nine million, one hundred sixty-two thousand, one hundred twenty-three".