126312049694 has 8 divisors (see below), whose sum is σ = 189476006328. Its totient is φ = 63153380920.

The previous prime is 126312049667. The next prime is 126312049729. The reversal of 126312049694 is 496940213621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261697 + ... + 1358124.

It is an arithmetic number, because the mean of its divisors is an integer number (23684500791).

Almost surely, 2^126312049694 is an apocalyptic number.

126312049694 is a deficient number, since it is larger than the sum of its proper divisors (63163956634).

126312049694 is a wasteful number, since it uses less digits than its factorization.

126312049694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643930.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 126312049694 in words is "one hundred twenty-six billion, three hundred twelve million, forty-nine thousand, six hundred ninety-four".