428060121 has 8 divisors (see below), whose sum is σ = 589158144. Its totient is φ = 276167760.

The previous prime is 428060111. The next prime is 428060147. The reversal of 428060121 is 121060824.

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

It is not a de Polignac number, because 428060121 - 2⁶ = 428060057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428060091 and 428060100.

It is not an unprimeable number, because it can be changed into a prime (428060111) 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, 2301306 + ... + 2301491.

It is an arithmetic number, because the mean of its divisors is an integer number (73644768).

Almost surely, 2^428060121 is an apocalyptic number.

It is an amenable number.

428060121 is a deficient number, since it is larger than the sum of its proper divisors (161098023).

428060121 is a wasteful number, since it uses less digits than its factorization.

428060121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602831.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 428060121 is about 20689.6138436656. The cubic root of 428060121 is about 753.6474892287.

The spelling of 428060121 in words is "four hundred twenty-eight million, sixty thousand, one hundred twenty-one".