201001672 has 16 divisors (see below), whose sum is σ = 383266800. Its totient is φ = 98797200.

The previous prime is 201001667. The next prime is 201001679. The reversal of 201001672 is 276100102.

It is not an unprimeable number, because it can be changed into a prime (201001679) 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, 212454 + ... + 213397.

It is an arithmetic number, because the mean of its divisors is an integer number (23954175).

Almost surely, 2^201001672 is an apocalyptic number.

It is an amenable number.

201001672 is a deficient number, since it is larger than the sum of its proper divisors (182265128).

201001672 is a wasteful number, since it uses less digits than its factorization.

201001672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425916 (or 425912 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 201001672 is about 14177.5058455287. The cubic root of 201001672 is about 585.7782245035.

Adding to 201001672 its reverse (276100102), we get a palindrome (477101774).

The spelling of 201001672 in words is "two hundred one million, one thousand, six hundred seventy-two".