187200042 has 8 divisors (see below), whose sum is σ = 374400096. Its totient is φ = 62400012.

The previous prime is 187200037. The next prime is 187200053. The reversal of 187200042 is 240002781.

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

187200042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 187199985 and 187200021.

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, 15599998 + ... + 15600009.

It is an arithmetic number, because the mean of its divisors is an integer number (46800012).

Almost surely, 2^187200042 is an apocalyptic number.

187200042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

187200042 is a wasteful number, since it uses less digits than its factorization.

187200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31200012.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 187200042 is about 13682.1066360411. The cubic root of 187200042 is about 572.0517439783.

The spelling of 187200042 in words is "one hundred eighty-seven million, two hundred thousand, forty-two".