210401234 has 8 divisors (see below), whose sum is σ = 322316928. Its totient is φ = 102962260.

The previous prime is 210401221. The next prime is 210401237. The reversal of 210401234 is 432104012.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210401237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119062 + ... + 1119249.

It is an arithmetic number, because the mean of its divisors is an integer number (40289616).

Almost surely, 2^210401234 is an apocalyptic number.

210401234 is a deficient number, since it is larger than the sum of its proper divisors (111915694).

210401234 is a wasteful number, since it uses less digits than its factorization.

210401234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238360.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210401234 is about 14505.2140280659. The cubic root of 210401234 is about 594.7705105613.

Adding to 210401234 its reverse (432104012), we get a palindrome (642505246).

The spelling of 210401234 in words is "two hundred ten million, four hundred one thousand, two hundred thirty-four".