201455122 has 8 divisors (see below), whose sum is σ = 329653872. Its totient is φ = 91570500.

The previous prime is 201455101. The next prime is 201455153. The reversal of 201455122 is 221554102.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 9157051 = 201455122 / (2 + 0 + 1 + 4 + 5 + 5 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 201455093 and 201455102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4578504 + ... + 4578547.

It is an arithmetic number, because the mean of its divisors is an integer number (41206734).

Almost surely, 2^201455122 is an apocalyptic number.

201455122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201455122 is a deficient number, since it is larger than the sum of its proper divisors (128198750).

201455122 is a wasteful number, since it uses less digits than its factorization.

201455122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9157064.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 201455122 is about 14193.4887184230. The cubic root of 201455122 is about 586.2183894043.

The spelling of 201455122 in words is "two hundred one million, four hundred fifty-five thousand, one hundred twenty-two".