126746999 has 8 divisors (see below), whose sum is σ = 129405600. Its totient is φ = 124112800.

The previous prime is 126746981. The next prime is 126747001. The reversal of 126746999 is 999647621.

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 126746999 - 2²⁰ = 125698423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126746999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126746909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4589 + ... + 16569.

It is an arithmetic number, because the mean of its divisors is an integer number (16175700).

Almost surely, 2^126746999 is an apocalyptic number.

126746999 is a deficient number, since it is larger than the sum of its proper divisors (2658601).

126746999 is a wasteful number, since it uses less digits than its factorization.

126746999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12201.

The product of its digits is 1469664, while the sum is 53.

The square root of 126746999 is about 11258.1969693197. The cubic root of 126746999 is about 502.3185639042.

The spelling of 126746999 in words is "one hundred twenty-six million, seven hundred forty-six thousand, nine hundred ninety-nine".