150130021 has 2 divisors, whose sum is σ = 150130022. Its totient is φ = 150130020.

The previous prime is 150130003. The next prime is 150130027. The reversal of 150130021 is 120031051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104837121 + 45292900 = 10239^2 + 6730^2 .

It is a cyclic number.

It is not a de Polignac number, because 150130021 - 2⁷ = 150129893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150129983 and 150130010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150130027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75065010 + 75065011.

It is an arithmetic number, because the mean of its divisors is an integer number (75065011).

Almost surely, 2^150130021 is an apocalyptic number.

It is an amenable number.

150130021 is a deficient number, since it is larger than the sum of its proper divisors (1).

150130021 is an equidigital number, since it uses as much as digits as its factorization.

150130021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 150130021 is about 12252.7556492407. The cubic root of 150130021 is about 531.4827601773.

Adding to 150130021 its reverse (120031051), we get a palindrome (270161072).

The spelling of 150130021 in words is "one hundred fifty million, one hundred thirty thousand, twenty-one".