1428057119 has 8 divisors (see below), whose sum is σ = 1503565440. Its totient is φ = 1352583576.

The previous prime is 1428057107. The next prime is 1428057131. The reversal of 1428057119 is 9117508241.

It is an interprime number because it is at equal distance from previous prime (1428057107) and next prime (1428057131).

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 1428057119 - 2⁸ = 1428056863 is a prime.

It is a super-2 number, since 2×1428057119² = 4078694270253160322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428257119) 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, 150572 + ... + 159774.

It is an arithmetic number, because the mean of its divisors is an integer number (187945680).

Almost surely, 2^1428057119 is an apocalyptic number.

1428057119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1428057119 is a deficient number, since it is larger than the sum of its proper divisors (75508321).

1428057119 is an equidigital number, since it uses as much as digits as its factorization.

1428057119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17389.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1428057119 is about 37789.6430123387. The cubic root of 1428057119 is about 1126.1127082058.

The spelling of 1428057119 in words is "one billion, four hundred twenty-eight million, fifty-seven thousand, one hundred nineteen".