1205235430 has 16 divisors (see below), whose sum is σ = 2479341600. Its totient is φ = 413223552.

The previous prime is 1205235413. The next prime is 1205235469. The reversal of 1205235430 is 345325021.

It is a junction number, because it is equal to n+sod(n) for n = 1205235395 and 1205235404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8608755 + ... + 8608894.

It is an arithmetic number, because the mean of its divisors is an integer number (154958850).

Almost surely, 2^1205235430 is an apocalyptic number.

1205235430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205235430 is an abundant number, since it is smaller than the sum of its proper divisors (1274106170).

1205235430 is a wasteful number, since it uses less digits than its factorization.

1205235430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17217663.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1205235430 is about 34716.5008317371. The cubic root of 1205235430 is about 1064.2017367446.

The spelling of 1205235430 in words is "one billion, two hundred five million, two hundred thirty-five thousand, four hundred thirty".