123201542 has 8 divisors (see below), whose sum is σ = 185610000. Its totient is φ = 61331544.

The previous prime is 123201473. The next prime is 123201553. The reversal of 123201542 is 245102321.

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, 134042 + ... + 134957.

It is an arithmetic number, because the mean of its divisors is an integer number (23201250).

Almost surely, 2^123201542 is an apocalyptic number.

123201542 is a deficient number, since it is larger than the sum of its proper divisors (62408458).

123201542 is a wasteful number, since it uses less digits than its factorization.

123201542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269230.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 123201542 is about 11099.6190024703. The cubic root of 123201542 is about 497.5904629147.

Adding to 123201542 its reverse (245102321), we get a palindrome (368303863).

The spelling of 123201542 in words is "one hundred twenty-three million, two hundred one thousand, five hundred forty-two".