1146548420123 has 2 divisors, whose sum is σ = 1146548420124. Its totient is φ = 1146548420122.

The previous prime is 1146548420063. The next prime is 1146548420137. The reversal of 1146548420123 is 3210248456411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1146548420123 - 2⁸ = 1146548419867 is a prime.

It is a super-2 number, since 2×1146548420123² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1146548420183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573274210061 + 573274210062.

It is an arithmetic number, because the mean of its divisors is an integer number (573274210062).

Almost surely, 2^{1146548420123} is an apocalyptic number.

1146548420123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146548420123 is an equidigital number, since it uses as much as digits as its factorization.

1146548420123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 1146548420123 in words is "one trillion, one hundred forty-six billion, five hundred forty-eight million, four hundred twenty thousand, one hundred twenty-three".