201048861 has 32 divisors (see below), whose sum is σ = 312135040. Its totient is φ = 114027264.

The previous prime is 201048847. The next prime is 201048889. The reversal of 201048861 is 168840102.

It is not a de Polignac number, because 201048861 - 2¹⁰ = 201047837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201048811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23751 + ... + 31083.

It is an arithmetic number, because the mean of its divisors is an integer number (9754220).

Almost surely, 2^201048861 is an apocalyptic number.

It is an amenable number.

201048861 is a deficient number, since it is larger than the sum of its proper divisors (111086179).

201048861 is a wasteful number, since it uses less digits than its factorization.

201048861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 201048861 is about 14179.1699686547. The cubic root of 201048861 is about 585.8240618100.

Adding to 201048861 its reverse (168840102), we get a palindrome (369888963).

The spelling of 201048861 in words is "two hundred one million, forty-eight thousand, eight hundred sixty-one".