220125401 has 8 divisors (see below), whose sum is σ = 237025440. Its totient is φ = 203664448.

The previous prime is 220125397. The next prime is 220125403. The reversal of 220125401 is 104521022.

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 220125401 - 2² = 220125397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220125401.

It is not an unprimeable number, because it can be changed into a prime (220125403) 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, 108731 + ... + 110736.

It is an arithmetic number, because the mean of its divisors is an integer number (29628180).

Almost surely, 2^220125401 is an apocalyptic number.

It is an amenable number.

220125401 is a deficient number, since it is larger than the sum of its proper divisors (16900039).

220125401 is a wasteful number, since it uses less digits than its factorization.

220125401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219543.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 220125401 is about 14836.6236388203. The cubic root of 220125401 is about 603.7957522121.

Adding to 220125401 its reverse (104521022), we get a palindrome (324646423).

The spelling of 220125401 in words is "two hundred twenty million, one hundred twenty-five thousand, four hundred one".