210001424 has 10 divisors (see below), whose sum is σ = 406877790. Its totient is φ = 105000704.

The previous prime is 210001417. The next prime is 210001439. The reversal of 210001424 is 424100012.

It can be written as a sum of positive squares in only one way, i.e., 196897024 + 13104400 = 14032^2 + 3620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210001399 and 210001408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562529 + ... + 6562560.

It is an arithmetic number, because the mean of its divisors is an integer number (40687779).

Almost surely, 2^210001424 is an apocalyptic number.

It is an amenable number.

210001424 is a deficient number, since it is larger than the sum of its proper divisors (196876366).

210001424 is a wasteful number, since it uses less digits than its factorization.

210001424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125097 (or 13125091 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 210001424 is about 14491.4258787740. The cubic root of 210001424 is about 594.3935387883.

Adding to 210001424 its reverse (424100012), we get a palindrome (634101436).

The spelling of 210001424 in words is "two hundred ten million, one thousand, four hundred twenty-four".