403120126 has 16 divisors (see below), whose sum is σ = 652730400. Its totient is φ = 186147808.

The previous prime is 403120117. The next prime is 403120129. The reversal of 403120126 is 621021304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403120129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149761 + ... + 152428.

It is an arithmetic number, because the mean of its divisors is an integer number (40795650).

Almost surely, 2^403120126 is an apocalyptic number.

403120126 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

403120126 is a deficient number, since it is larger than the sum of its proper divisors (249610274).

403120126 is a wasteful number, since it uses less digits than its factorization.

403120126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302243.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 403120126 is about 20077.8516281001. The cubic root of 403120126 is about 738.7171137337.

The spelling of 403120126 in words is "four hundred three million, one hundred twenty thousand, one hundred twenty-six".