126569442 has 8 divisors (see below), whose sum is σ = 253138896. Its totient is φ = 42189812.

The previous prime is 126569423. The next prime is 126569447. The reversal of 126569442 is 244965621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

126569442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 126569442.

It is not an unprimeable number, because it can be changed into a prime (126569447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10547448 + ... + 10547459.

It is an arithmetic number, because the mean of its divisors is an integer number (31642362).

Almost surely, 2^126569442 is an apocalyptic number.

126569442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126569442 is a wasteful number, since it uses less digits than its factorization.

126569442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21094912.

The product of its digits is 103680, while the sum is 39.

The square root of 126569442 is about 11250.3085291027. The cubic root of 126569442 is about 502.0838920551.

It can be divided in two parts, 1265 and 69442, that added together give a palindrome (70707).

The spelling of 126569442 in words is "one hundred twenty-six million, five hundred sixty-nine thousand, four hundred forty-two".