126249205 has 32 divisors (see below), whose sum is σ = 166256640. Its totient is φ = 91679040.

The previous prime is 126249197. The next prime is 126249229. The reversal of 126249205 is 502942621.

It is not a de Polignac number, because 126249205 - 2³ = 126249197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479904 + ... + 480166.

It is an arithmetic number, because the mean of its divisors is an integer number (5195520).

Almost surely, 2^126249205 is an apocalyptic number.

It is an amenable number.

126249205 is a deficient number, since it is larger than the sum of its proper divisors (40007435).

126249205 is a wasteful number, since it uses less digits than its factorization.

126249205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 126249205 is about 11236.0671500307. The cubic root of 126249205 is about 501.6600887771.

The spelling of 126249205 in words is "one hundred twenty-six million, two hundred forty-nine thousand, two hundred five".