201089954 has 8 divisors (see below), whose sum is σ = 324837660. Its totient is φ = 92810736.

The previous prime is 201089947. The next prime is 201089969. The reversal of 201089954 is 459980102.

It can be written as a sum of positive squares in 2 ways, for example, as 196981225 + 4108729 = 14035^2 + 2027^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3867089 + ... + 3867140.

Almost surely, 2^201089954 is an apocalyptic number.

201089954 is a deficient number, since it is larger than the sum of its proper divisors (123747706).

201089954 is a wasteful number, since it uses less digits than its factorization.

201089954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734244.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 201089954 is about 14180.6189568721. The cubic root of 201089954 is about 585.8639718897.

The spelling of 201089954 in words is "two hundred one million, eighty-nine thousand, nine hundred fifty-four".