150120001 has 4 divisors (see below), whose sum is σ = 150462400. Its totient is φ = 149777604.

The previous prime is 150119993. The next prime is 150120017. The reversal of 150120001 is 100021051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100021051 = 13 ⋅7693927.

It is a cyclic number.

It is not a de Polignac number, because 150120001 - 2³ = 150119993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150120001.

It is not an unprimeable number, because it can be changed into a prime (150120031) 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, 170541 + ... + 171418.

It is an arithmetic number, because the mean of its divisors is an integer number (37615600).

Almost surely, 2^150120001 is an apocalyptic number.

It is an amenable number.

150120001 is a deficient number, since it is larger than the sum of its proper divisors (342399).

150120001 is an equidigital number, since it uses as much as digits as its factorization.

150120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342398.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 150120001 is about 12252.3467548058. The cubic root of 150120001 is about 531.4709358140.

Adding to 150120001 its reverse (100021051), we get a palindrome (250141052).

The spelling of 150120001 in words is "one hundred fifty million, one hundred twenty thousand, one".