1428118241 has 8 divisors (see below), whose sum is σ = 1560319200. Its totient is φ = 1296312640.

The previous prime is 1428118229. The next prime is 1428118249.

1428118241 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1428118241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1428118198 and 1428118207.

It is not an unprimeable number, because it can be changed into a prime (1428118249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91256 + ... + 105753.

It is an arithmetic number, because the mean of its divisors is an integer number (195039900).

Almost surely, 2^1428118241 is an apocalyptic number.

1428118241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1428118241 is a deficient number, since it is larger than the sum of its proper divisors (132200959).

1428118241 is a wasteful number, since it uses less digits than its factorization.

1428118241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197679.

The product of its digits is 4096, while the sum is 32.

The square root of 1428118241 is about 37790.4517173320. The cubic root of 1428118241 is about 1126.1287741549.

The spelling of 1428118241 in words is "one billion, four hundred twenty-eight million, one hundred eighteen thousand, two hundred forty-one".