123542066 has 16 divisors (see below), whose sum is σ = 195300960. Its totient is φ = 58449600.

The previous prime is 123541987. The next prime is 123542087. The reversal of 123542066 is 660245321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44285 + ... + 46991.

It is an arithmetic number, because the mean of its divisors is an integer number (12206310).

Almost surely, 2^123542066 is an apocalyptic number.

123542066 is a deficient number, since it is larger than the sum of its proper divisors (71758894).

123542066 is a wasteful number, since it uses less digits than its factorization.

123542066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 123542066 is about 11114.9478631256. The cubic root of 123542066 is about 498.0484810573.

Adding to 123542066 its reverse (660245321), we get a palindrome (783787387).

The spelling of 123542066 in words is "one hundred twenty-three million, five hundred forty-two thousand, sixty-six".