126031245 has 16 divisors (see below), whose sum is σ = 208604160. Its totient is φ = 64898624.

The previous prime is 126031231. The next prime is 126031249. The reversal of 126031245 is 542130621.

It is a cyclic number.

It is not a de Polignac number, because 126031245 - 2¹² = 126027149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126031249) 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 15 ways as a sum of consecutive naturals, for example, 144429 + ... + 145298.

It is an arithmetic number, because the mean of its divisors is an integer number (13037760).

Almost surely, 2^126031245 is an apocalyptic number.

126031245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126031245 is a deficient number, since it is larger than the sum of its proper divisors (82572915).

126031245 is a wasteful number, since it uses less digits than its factorization.

126031245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289764.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 126031245 is about 11226.3638369688. The cubic root of 126031245 is about 501.3712293557.

Adding to 126031245 its reverse (542130621), we get a palindrome (668161866).

The spelling of 126031245 in words is "one hundred twenty-six million, thirty-one thousand, two hundred forty-five".