123045542 has 8 divisors (see below), whose sum is σ = 188050896. Its totient is φ = 60361912.

The previous prime is 123045523. The next prime is 123045557. The reversal of 123045542 is 245540321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580298 + ... + 580509.

It is an arithmetic number, because the mean of its divisors is an integer number (23506362).

Almost surely, 2^123045542 is an apocalyptic number.

123045542 is a deficient number, since it is larger than the sum of its proper divisors (65005354).

123045542 is a wasteful number, since it uses less digits than its factorization.

123045542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160862.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 123045542 is about 11092.5895083159. The cubic root of 123045542 is about 497.3803548889.

Adding to 123045542 its reverse (245540321), we get a palindrome (368585863).

The spelling of 123045542 in words is "one hundred twenty-three million, forty-five thousand, five hundred forty-two".