201125502 has 24 divisors (see below), whose sum is σ = 445045536. Its totient is φ = 65615136.

The previous prime is 201125497. The next prime is 201125503. The reversal of 201125502 is 205521102.

201125502 is a `hidden beast` number, since 2 + 0 + 112 + 550 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201125503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118023 + ... + 119714.

It is an arithmetic number, because the mean of its divisors is an integer number (18543564).

Almost surely, 2^201125502 is an apocalyptic number.

201125502 is an abundant number, since it is smaller than the sum of its proper divisors (243920034).

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

201125502 is a wasteful number, since it uses less digits than its factorization.

201125502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237792 (or 237789 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 201125502 is about 14181.8723023443. The cubic root of 201125502 is about 585.8984922042.

Adding to 201125502 its reverse (205521102), we get a palindrome (406646604).

The spelling of 201125502 in words is "two hundred one million, one hundred twenty-five thousand, five hundred two".