561126039 has 8 divisors (see below), whose sum is σ = 750313200. Its totient is φ = 373011456.

The previous prime is 561126029. The next prime is 561126047. The reversal of 561126039 is 930621165.

It is a happy number.

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

It is not a de Polignac number, because 561126039 - 2⁷ = 561125911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561126029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266922 + ... + 269015.

It is an arithmetic number, because the mean of its divisors is an integer number (93789150).

Almost surely, 2^561126039 is an apocalyptic number.

561126039 is a deficient number, since it is larger than the sum of its proper divisors (189187161).

561126039 is a wasteful number, since it uses less digits than its factorization.

561126039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536289.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 561126039 is about 23688.0991006032. The cubic root of 561126039 is about 824.8091576935.

The spelling of 561126039 in words is "five hundred sixty-one million, one hundred twenty-six thousand, thirty-nine".