1305055430 has 16 divisors (see below), whose sum is σ = 2684685600. Its totient is φ = 447447552.

The previous prime is 1305055403. The next prime is 1305055469. The reversal of 1305055430 is 345505031.

It is a self number, because there is not a number n which added to its sum of digits gives 1305055430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9321755 + ... + 9321894.

It is an arithmetic number, because the mean of its divisors is an integer number (167792850).

Almost surely, 2^1305055430 is an apocalyptic number.

1305055430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305055430 is an abundant number, since it is smaller than the sum of its proper divisors (1379630170).

1305055430 is a wasteful number, since it uses less digits than its factorization.

1305055430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18643663.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1305055430 is about 36125.5509300550. The cubic root of 1305055430 is about 1092.8057865608.

The spelling of 1305055430 in words is "one billion, three hundred five million, fifty-five thousand, four hundred thirty".