148123687 has 2 divisors, whose sum is σ = 148123688. Its totient is φ = 148123686.

The previous prime is 148123663. The next prime is 148123699. The reversal of 148123687 is 786321841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148123687 - 2¹⁵ = 148090919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148123607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74061843 + 74061844.

It is an arithmetic number, because the mean of its divisors is an integer number (74061844).

Almost surely, 2^148123687 is an apocalyptic number.

148123687 is a deficient number, since it is larger than the sum of its proper divisors (1).

148123687 is an equidigital number, since it uses as much as digits as its factorization.

148123687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 148123687 is about 12170.6075033254. The cubic root of 148123687 is about 529.1045601472.

The spelling of 148123687 in words is "one hundred forty-eight million, one hundred twenty-three thousand, six hundred eighty-seven".