1428250604 has 18 divisors (see below), whose sum is σ = 2747317692. Its totient is φ = 649204600.

The previous prime is 1428250589. The next prime is 1428250643. The reversal of 1428250604 is 4060528241.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1474982 + ... + 1475949.

Almost surely, 2^1428250604 is an apocalyptic number.

It is an amenable number.

1428250604 is a deficient number, since it is larger than the sum of its proper divisors (1319067088).

1428250604 is a wasteful number, since it uses less digits than its factorization.

1428250604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950957 (or 2950944 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 1428250604 is about 37792.2029524610. The cubic root of 1428250604 is about 1126.1635642663.

Adding to 1428250604 its reverse (4060528241), we get a palindrome (5488778845).

The spelling of 1428250604 in words is "one billion, four hundred twenty-eight million, two hundred fifty thousand, six hundred four".