428119101 has 14 divisors (see below), whose sum is σ = 641886110. Its totient is φ = 285412248.

The previous prime is 428119057. The next prime is 428119123. The reversal of 428119101 is 101911824.

It can be written as a sum of positive squares in only one way, i.e., 395970201 + 32148900 = 19899^2 + 5670^2 .

It is not a de Polignac number, because 428119101 - 2⁶ = 428119037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428119501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 292906 + ... + 294363.

Almost surely, 2^428119101 is an apocalyptic number.

It is an amenable number.

428119101 is a deficient number, since it is larger than the sum of its proper divisors (213767009).

428119101 is an frugal number, since it uses more digits than its factorization.

428119101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587287 (or 587272 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 428119101 is about 20691.0391474184. The cubic root of 428119101 is about 753.6821012574.

The spelling of 428119101 in words is "four hundred twenty-eight million, one hundred nineteen thousand, one hundred one".