150126217 has 8 divisors (see below), whose sum is σ = 151383240. Its totient is φ = 148874880.

The previous prime is 150126209. The next prime is 150126241. The reversal of 150126217 is 712621051.

It can be written as a sum of positive squares in 4 ways, for example, as 56791296 + 93334921 = 7536^2 + 9661^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 150126217 - 2³ = 150126209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150126191 and 150126200.

It is not an unprimeable number, because it can be changed into a prime (150126247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63183 + ... + 65515.

It is an arithmetic number, because the mean of its divisors is an integer number (18922905).

Almost surely, 2^150126217 is an apocalyptic number.

It is an amenable number.

150126217 is a deficient number, since it is larger than the sum of its proper divisors (1257023).

150126217 is a wasteful number, since it uses less digits than its factorization.

150126217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 150126217 is about 12252.6004178705. The cubic root of 150126217 is about 531.4782712295.

Adding to 150126217 its reverse (712621051), we get a palindrome (862747268).

The spelling of 150126217 in words is "one hundred fifty million, one hundred twenty-six thousand, two hundred seventeen".