201201534 has 24 divisors (see below), whose sum is σ = 436219992. Its totient is φ = 67023600.

The previous prime is 201201529. The next prime is 201201547. The reversal of 201201534 is 435102102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 37309 + ... + 42359.

It is an arithmetic number, because the mean of its divisors is an integer number (18175833).

Almost surely, 2^201201534 is an apocalyptic number.

201201534 is an abundant number, since it is smaller than the sum of its proper divisors (235018458).

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

201201534 is a wasteful number, since it uses less digits than its factorization.

201201534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272 (or 7269 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201201534 is about 14184.5526542080. The cubic root of 201201534 is about 585.9723124831.

Adding to 201201534 its reverse (435102102), we get a palindrome (636303636).

The spelling of 201201534 in words is "two hundred one million, two hundred one thousand, five hundred thirty-four".