150120403 has 2 divisors, whose sum is σ = 150120404. Its totient is φ = 150120402.

The previous prime is 150120361. The next prime is 150120407. The reversal of 150120403 is 304021051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150120403 - 2⁹ = 150119891 is a prime.

It is a super-2 number, since 2×150120403² = 45072270793764818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150120407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75060201 + 75060202.

It is an arithmetic number, because the mean of its divisors is an integer number (75060202).

Almost surely, 2^150120403 is an apocalyptic number.

150120403 is a deficient number, since it is larger than the sum of its proper divisors (1).

150120403 is an equidigital number, since it uses as much as digits as its factorization.

150120403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 150120403 is about 12252.3631598153. The cubic root of 150120403 is about 531.4714102148.

Adding to 150120403 its reverse (304021051), we get a palindrome (454141454).

It can be divided in two parts, 1501 and 20403, that added together give a square (21904 = 148²).

The spelling of 150120403 in words is "one hundred fifty million, one hundred twenty thousand, four hundred three".