126973544828 has 24 divisors (see below), whose sum is σ = 239306225088. Its totient is φ = 58600742976.

The previous prime is 126973544791. The next prime is 126973544837. The reversal of 126973544828 is 828445379621.

It is a super-3 number, since 3×126973544828³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 2023250 + ... + 2085062.

It is an arithmetic number, because the mean of its divisors is an integer number (9971092712).

Almost surely, 2^126973544828 is an apocalyptic number.

It is an amenable number.

126973544828 is a deficient number, since it is larger than the sum of its proper divisors (112332680260).

126973544828 is a wasteful number, since it uses less digits than its factorization.

126973544828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101333 (or 101331 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 59.

The spelling of 126973544828 in words is "one hundred twenty-six billion, nine hundred seventy-three million, five hundred forty-four thousand, eight hundred twenty-eight".