119780561 has 8 divisors (see below), whose sum is σ = 123184800. Its totient is φ = 116422240.

The previous prime is 119780543. The next prime is 119780597. The reversal of 119780561 is 165087911.

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

It is a cyclic number.

It is not a de Polignac number, because 119780561 - 2¹⁰ = 119779537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119780501) 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, 6155 + ... + 16656.

It is an arithmetic number, because the mean of its divisors is an integer number (15398100).

Almost surely, 2^119780561 is an apocalyptic number.

It is an amenable number.

119780561 is a deficient number, since it is larger than the sum of its proper divisors (3404239).

119780561 is an equidigital number, since it uses as much as digits as its factorization.

119780561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22959.

The product of its (nonzero) digits is 15120, while the sum is 38.

The square root of 119780561 is about 10944.4305927718. The cubic root of 119780561 is about 492.9415741291.

The spelling of 119780561 in words is "one hundred nineteen million, seven hundred eighty thousand, five hundred sixty-one".