126973685 has 8 divisors (see below), whose sum is σ = 158993280. Its totient is φ = 97162384.

The previous prime is 126973673. The next prime is 126973699. The reversal of 126973685 is 586379621.

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

It is a cyclic number.

It is not a de Polignac number, because 126973685 - 2⁴ = 126973669 is a prime.

It is a super-2 number, since 2×126973685² = 32244633364958450, 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551945 + ... + 552174.

It is an arithmetic number, because the mean of its divisors is an integer number (19874160).

Almost surely, 2^126973685 is an apocalyptic number.

It is an amenable number.

126973685 is a deficient number, since it is larger than the sum of its proper divisors (32019595).

126973685 is a wasteful number, since it uses less digits than its factorization.

126973685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104147.

The product of its digits is 544320, while the sum is 47.

The square root of 126973685 is about 11268.2600697712. The cubic root of 126973685 is about 502.6178498042.

The spelling of 126973685 in words is "one hundred twenty-six million, nine hundred seventy-three thousand, six hundred eighty-five".