126042245 has 32 divisors (see below), whose sum is σ = 179055360. Its totient is φ = 83381760.

The previous prime is 126042221. The next prime is 126042247. The reversal of 126042245 is 542240621.

It is not a de Polignac number, because 126042245 - 2¹⁸ = 125780101 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 (126042247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133475 + ... + 134415.

It is an arithmetic number, because the mean of its divisors is an integer number (5595480).

Almost surely, 2^126042245 is an apocalyptic number.

It is an amenable number.

126042245 is a deficient number, since it is larger than the sum of its proper divisors (53013115).

126042245 is an equidigital number, since it uses as much as digits as its factorization.

126042245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 126042245 is about 11226.8537444825. The cubic root of 126042245 is about 501.3858154823.

Adding to 126042245 its reverse (542240621), we get a palindrome (668282866).

The spelling of 126042245 in words is "one hundred twenty-six million, forty-two thousand, two hundred forty-five".