207126049 has 32 divisors (see below), whose sum is σ = 243734400. Its totient is φ = 174389760.

The previous prime is 207126047. The next prime is 207126107. The reversal of 207126049 is 940621702.

It is a cyclic number.

It is not a de Polignac number, because 207126049 - 2¹ = 207126047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 207126049.

It is not an unprimeable number, because it can be changed into a prime (207126043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888837 + ... + 889069.

It is an arithmetic number, because the mean of its divisors is an integer number (7616700).

Almost surely, 2^207126049 is an apocalyptic number.

It is an amenable number.

207126049 is a deficient number, since it is larger than the sum of its proper divisors (36608351).

207126049 is a wasteful number, since it uses less digits than its factorization.

207126049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 207126049 is about 14391.8744088461. The cubic root of 207126049 is about 591.6682165491.

The spelling of 207126049 in words is "two hundred seven million, one hundred twenty-six thousand, forty-nine".