1428270530 has 8 divisors (see below), whose sum is σ = 2570886972. Its totient is φ = 571308208.

The previous prime is 1428270517. The next prime is 1428270539. The reversal of 1428270530 is 350728241.

It can be written as a sum of positive squares in 2 ways, for example, as 1338608569 + 89661961 = 36587^2 + 9469^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1428270539) 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, 71413517 + ... + 71413536.

Almost surely, 2^1428270530 is an apocalyptic number.

1428270530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428270530 is a deficient number, since it is larger than the sum of its proper divisors (1142616442).

1428270530 is a wasteful number, since it uses less digits than its factorization.

1428270530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142827060.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1428270530 is about 37792.4665773485. The cubic root of 1428270530 is about 1126.1688014030.

Adding to 1428270530 its reverse (350728241), we get a palindrome (1778998771).

The spelling of 1428270530 in words is "one billion, four hundred twenty-eight million, two hundred seventy thousand, five hundred thirty".