201401010 has 24 divisors (see below), whose sum is σ = 523642860. Its totient is φ = 53706912.

The previous prime is 201400993. The next prime is 201401059. The reversal of 201401010 is 10104102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 190688481 + 10712529 = 13809^2 + 3273^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201400983 and 201401001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1118805 + ... + 1118984.

Almost surely, 2^201401010 is an apocalyptic number.

201401010 is an abundant number, since it is smaller than the sum of its proper divisors (322241850).

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

201401010 is a wasteful number, since it uses less digits than its factorization.

201401010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237802 (or 2237799 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 201401010 is about 14191.5823642045. The cubic root of 201401010 is about 586.1658974981.

Adding to 201401010 its reverse (10104102), we get a palindrome (211505112).

The spelling of 201401010 in words is "two hundred one million, four hundred one thousand, ten".