1428587103 has 4 divisors (see below), whose sum is σ = 1904782808. Its totient is φ = 952391400.

The previous prime is 1428587101. The next prime is 1428587107. The reversal of 1428587103 is 3017858241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1428587103 - 2¹ = 1428587101 is a prime.

It is a super-2 number, since 2×1428587103² = 4081722221715865218, 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 (1428587101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238097848 + ... + 238097853.

It is an arithmetic number, because the mean of its divisors is an integer number (476195702).

Almost surely, 2^1428587103 is an apocalyptic number.

1428587103 is a deficient number, since it is larger than the sum of its proper divisors (476195705).

1428587103 is an equidigital number, since it uses as much as digits as its factorization.

1428587103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476195704.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1428587103 is about 37796.6546535537. The cubic root of 1428587103 is about 1126.2519995300.

The spelling of 1428587103 in words is "one billion, four hundred twenty-eight million, five hundred eighty-seven thousand, one hundred three".