210124142 has 8 divisors (see below), whose sum is σ = 315407496. Its totient is φ = 104988312.

The previous prime is 210124133. The next prime is 210124157. The reversal of 210124142 is 241421012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210124142.

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, 33248 + ... + 39059.

It is an arithmetic number, because the mean of its divisors is an integer number (39425937).

Almost surely, 2^210124142 is an apocalyptic number.

210124142 is a deficient number, since it is larger than the sum of its proper divisors (105283354).

210124142 is a wasteful number, since it uses less digits than its factorization.

210124142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73762.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 210124142 is about 14495.6594192882. The cubic root of 210124142 is about 594.5092976580.

Adding to 210124142 its reverse (241421012), we get a palindrome (451545154).

The spelling of 210124142 in words is "two hundred ten million, one hundred twenty-four thousand, one hundred forty-two".