561126424 has 8 divisors (see below), whose sum is σ = 1052112060. Its totient is φ = 280563208.

The previous prime is 561126421. The next prime is 561126427. The reversal of 561126424 is 424621165.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (561126421) and next prime (561126427).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×561126424² = 629725727422055552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561126421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35070394 + ... + 35070409.

Almost surely, 2^561126424 is an apocalyptic number.

It is an amenable number.

561126424 is a deficient number, since it is larger than the sum of its proper divisors (490985636).

561126424 is a wasteful number, since it uses less digits than its factorization.

561126424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70140809 (or 70140805 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 561126424 is about 23688.1072270454. The cubic root of 561126424 is about 824.8093463330.

Adding to 561126424 its reverse (424621165), we get a palindrome (985747589).

The spelling of 561126424 in words is "five hundred sixty-one million, one hundred twenty-six thousand, four hundred twenty-four".