201401004 has 24 divisors (see below), whose sum is σ = 537069568. Its totient is φ = 57543120.

The previous prime is 201400993. The next prime is 201401059. The reversal of 201401004 is 400104102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198732 + ... + 1198899.

Almost surely, 2^201401004 is an apocalyptic number.

It is an amenable number.

201401004 is an abundant number, since it is smaller than the sum of its proper divisors (335668564).

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

201401004 is a wasteful number, since it uses less digits than its factorization.

201401004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397645 (or 2397643 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 201401004 is about 14191.5821528116. The cubic root of 201401004 is about 586.1658916772.

Adding to 201401004 its reverse (400104102), we get a palindrome (601505106).

The spelling of 201401004 in words is "two hundred one million, four hundred one thousand, four".