201122434 has 8 divisors (see below), whose sum is σ = 301753980. Its totient is φ = 100537776.

The previous prime is 201122413. The next prime is 201122437. The reversal of 201122434 is 434221102.

It can be written as a sum of positive squares in 2 ways, for example, as 160098409 + 41024025 = 12653^2 + 6405^2 .

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

It is not an unprimeable number, because it can be changed into a prime (201122437) 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, 2412 + ... + 20200.

Almost surely, 2^201122434 is an apocalyptic number.

201122434 is a deficient number, since it is larger than the sum of its proper divisors (100631546).

201122434 is a wasteful number, since it uses less digits than its factorization.

201122434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23444.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 201122434 is about 14181.7641356779. The cubic root of 201122434 is about 585.8955130599.

Adding to 201122434 its reverse (434221102), we get a palindrome (635343536).

The spelling of 201122434 in words is "two hundred one million, one hundred twenty-two thousand, four hundred thirty-four".