403216126 has 4 divisors (see below), whose sum is σ = 604824192. Its totient is φ = 201608062.

The previous prime is 403216123. The next prime is 403216129. The reversal of 403216126 is 621612304.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (403216123) and next prime (403216129).

It is a self number, because there is not a number n which added to its sum of digits gives 403216126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403216123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100804030 + ... + 100804033.

It is an arithmetic number, because the mean of its divisors is an integer number (151206048).

Almost surely, 2^403216126 is an apocalyptic number.

403216126 is a deficient number, since it is larger than the sum of its proper divisors (201608066).

403216126 is a wasteful number, since it uses less digits than its factorization.

403216126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201608065.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 403216126 is about 20080.2421798145. The cubic root of 403216126 is about 738.7757490383.

The spelling of 403216126 in words is "four hundred three million, two hundred sixteen thousand, one hundred twenty-six".