126143616 has 64 divisors (see below), whose sum is σ = 338925600. Its totient is φ = 41564160.

The previous prime is 126143609. The next prime is 126143623. The reversal of 126143616 is 616341621.

It is an interprime number because it is at equal distance from previous prime (126143609) and next prime (126143623).

It is a tau number, because it is divible by the number of its divisors (64).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32331 + ... + 36021.

Almost surely, 2^126143616 is an apocalyptic number.

126143616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126143616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169462800).

126143616 is an abundant number, since it is smaller than the sum of its proper divisors (212781984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126143616 is an equidigital number, since it uses as much as digits as its factorization.

126143616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797 (or 3785 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 126143616 is about 11231.3675035589. The cubic root of 126143616 is about 501.5201946655.

The spelling of 126143616 in words is "one hundred twenty-six million, one hundred forty-three thousand, six hundred sixteen".