126197937600 has 168 divisors, whose sum is σ = 473182297728. Its totient is φ = 28845235200.

The previous prime is 126197937571. The next prime is 126197937643. The reversal of 126197937600 is 6739791621.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1844346 + ... + 1911545.

It is an arithmetic number, because the mean of its divisors is an integer number (2816561296).

Almost surely, 2^126197937600 is an apocalyptic number.

126197937600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126197937600 is an abundant number, since it is smaller than the sum of its proper divisors (346984360128).

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

126197937600 is a wasteful number, since it uses less digits than its factorization.

126197937600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755923 (or 3755908 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 51.

The spelling of 126197937600 in words is "one hundred twenty-six billion, one hundred ninety-seven million, nine hundred thirty-seven thousand, six hundred".