1205430285 has 8 divisors (see below), whose sum is σ = 1928688480. Its totient is φ = 642896144.

The previous prime is 1205430283. The next prime is 1205430287. The reversal of 1205430285 is 5820345021.

It is an interprime number because it is at equal distance from previous prime (1205430283) and next prime (1205430287).

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

It is a cyclic number.

It is not a de Polignac number, because 1205430285 - 2¹ = 1205430283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205430283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40180995 + ... + 40181024.

It is an arithmetic number, because the mean of its divisors is an integer number (241086060).

Almost surely, 2^1205430285 is an apocalyptic number.

1205430285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1205430285 is a deficient number, since it is larger than the sum of its proper divisors (723258195).

1205430285 is an equidigital number, since it uses as much as digits as its factorization.

1205430285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80362027.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1205430285 is about 34719.3070927402. The cubic root of 1205430285 is about 1064.2590848361.

The spelling of 1205430285 in words is "one billion, two hundred five million, four hundred thirty thousand, two hundred eighty-five".