122627561 has 8 divisors (see below), whose sum is σ = 140230080. Its totient is φ = 105046128.

The previous prime is 122627551. The next prime is 122627567. The reversal of 122627561 is 165726221.

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 122627561 - 2²² = 118433257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122627567) 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, 10250 + ... + 18716.

It is an arithmetic number, because the mean of its divisors is an integer number (17528760).

Almost surely, 2^122627561 is an apocalyptic number.

It is an amenable number.

122627561 is a deficient number, since it is larger than the sum of its proper divisors (17602519).

122627561 is an equidigital number, since it uses as much as digits as its factorization.

122627561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10543.

The product of its digits is 10080, while the sum is 32.

The square root of 122627561 is about 11073.7329297758. The cubic root of 122627561 is about 496.8165219525.

The spelling of 122627561 in words is "one hundred twenty-two million, six hundred twenty-seven thousand, five hundred sixty-one".