561120707 has 12 divisors (see below), whose sum is σ = 653760360. Its totient is φ = 480203136.

The previous prime is 561120697. The next prime is 561120727. The reversal of 561120707 is 707021165.

It is not a de Polignac number, because 561120707 - 2⁴ = 561120691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 561120707.

It is not an unprimeable number, because it can be changed into a prime (561120727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23603 + ... + 40979.

It is an arithmetic number, because the mean of its divisors is an integer number (54480030).

Almost surely, 2^561120707 is an apocalyptic number.

561120707 is a deficient number, since it is larger than the sum of its proper divisors (92639653).

561120707 is a wasteful number, since it uses less digits than its factorization.

561120707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18050 (or 18043 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 561120707 is about 23687.9865543697. The cubic root of 561120707 is about 824.8065451514.

The spelling of 561120707 in words is "five hundred sixty-one million, one hundred twenty thousand, seven hundred seven".