122070561 has 4 divisors (see below), whose sum is σ = 162760752. Its totient is φ = 81380372.

The previous prime is 122070521. The next prime is 122070569. The reversal of 122070561 is 165070221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122070561 - 2¹⁹ = 121546273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122070569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20345091 + ... + 20345096.

It is an arithmetic number, because the mean of its divisors is an integer number (40690188).

Almost surely, 2^122070561 is an apocalyptic number.

It is an amenable number.

122070561 is a deficient number, since it is larger than the sum of its proper divisors (40690191).

122070561 is an equidigital number, since it uses as much as digits as its factorization.

122070561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40690190.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 122070561 is about 11048.5547018603. The cubic root of 122070561 is about 496.0631653535.

The spelling of 122070561 in words is "one hundred twenty-two million, seventy thousand, five hundred sixty-one".