1307420428 has 24 divisors (see below), whose sum is σ = 2425190544. Its totient is φ = 614592000.

The previous prime is 1307420393. The next prime is 1307420449. The reversal of 1307420428 is 8240247031.

It is a self number, because there is not a number n which added to its sum of digits gives 1307420428.

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 7 ways as a sum of consecutive naturals, for example, 56128 + ... + 75928.

It is an arithmetic number, because the mean of its divisors is an integer number (101049606).

Almost surely, 2^1307420428 is an apocalyptic number.

It is an amenable number.

1307420428 is a deficient number, since it is larger than the sum of its proper divisors (1117770116).

1307420428 is a wasteful number, since it uses less digits than its factorization.

1307420428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20793 (or 20791 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1307420428 is about 36158.2691510531. The cubic root of 1307420428 is about 1093.4655092120.

Adding to 1307420428 its reverse (8240247031), we get a palindrome (9547667459).

The spelling of 1307420428 in words is "one billion, three hundred seven million, four hundred twenty thousand, four hundred twenty-eight".