150121317 has 8 divisors (see below), whose sum is σ = 200228896. Its totient is φ = 100047312.

The previous prime is 150121277. The next prime is 150121319. The reversal of 150121317 is 713121051.

It is a happy number.

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

It is not a de Polignac number, because 150121317 - 2¹⁰ = 150120293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150121293 and 150121302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150121319) 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, 5178 + ... + 18084.

It is an arithmetic number, because the mean of its divisors is an integer number (25028612).

Almost surely, 2^150121317 is an apocalyptic number.

It is an amenable number.

150121317 is a deficient number, since it is larger than the sum of its proper divisors (50107579).

150121317 is a wasteful number, since it uses less digits than its factorization.

150121317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16787.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 150121317 is about 12252.4004586856. The cubic root of 150121317 is about 531.4724888243.

Adding to 150121317 its reverse (713121051), we get a palindrome (863242368).

The spelling of 150121317 in words is "one hundred fifty million, one hundred twenty-one thousand, three hundred seventeen".