210124042 has 8 divisors (see below), whose sum is σ = 319176000. Its totient is φ = 103732044.

The previous prime is 210124037. The next prime is 210124051. The reversal of 210124042 is 240421012.

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

It is a super-2 number, since 2×210124042² = 88304226052835528, which contains 22 as substring.

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, 664792 + ... + 665107.

It is an arithmetic number, because the mean of its divisors is an integer number (39897000).

Almost surely, 2^210124042 is an apocalyptic number.

210124042 is a deficient number, since it is larger than the sum of its proper divisors (109051958).

210124042 is a wasteful number, since it uses less digits than its factorization.

210124042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329980.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 210124042 is about 14495.6559699794. The cubic root of 210124042 is about 594.5092033472.

Adding to 210124042 its reverse (240421012), we get a palindrome (450545054).

The spelling of 210124042 in words is "two hundred ten million, one hundred twenty-four thousand, forty-two".