151123205 has 16 divisors (see below), whose sum is σ = 188319600. Its totient is φ = 116282880.

The previous prime is 151123201. The next prime is 151123229. The reversal of 151123205 is 502321151.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1256641 + 149866564 = 1121^2 + 12242^2 .

It is not a de Polignac number, because 151123205 - 2² = 151123201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151123201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38891 + ... + 42599.

It is an arithmetic number, because the mean of its divisors is an integer number (11769975).

Almost surely, 2^151123205 is an apocalyptic number.

It is an amenable number.

151123205 is a deficient number, since it is larger than the sum of its proper divisors (37196395).

151123205 is a wasteful number, since it uses less digits than its factorization.

151123205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 151123205 is about 12293.2178456253. The cubic root of 151123205 is about 532.6521918721.

Adding to 151123205 its reverse (502321151), we get a palindrome (653444356).

The spelling of 151123205 in words is "one hundred fifty-one million, one hundred twenty-three thousand, two hundred five".