126751616 has 32 divisors (see below), whose sum is σ = 258396600. Its totient is φ = 61899264.

The previous prime is 126751577. The next prime is 126751627. The reversal of 126751616 is 616157621.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×126751616² = 32131944317222912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6011 + ... + 17018.

Almost surely, 2^126751616 is an apocalyptic number.

126751616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126751616 is an abundant number, since it is smaller than the sum of its proper divisors (131644984).

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

126751616 is an equidigital number, since it uses as much as digits as its factorization.

126751616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23086 (or 23074 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 126751616 is about 11258.4020180486. The cubic root of 126751616 is about 502.3246631325.

The spelling of 126751616 in words is "one hundred twenty-six million, seven hundred fifty-one thousand, six hundred sixteen".