1205428335 has 32 divisors (see below), whose sum is σ = 1993635840. Its totient is φ = 621302400.

The previous prime is 1205428309. The next prime is 1205428337. The reversal of 1205428335 is 5338245021.

It is not a de Polignac number, because 1205428335 - 2⁵ = 1205428303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1205428296 and 1205428305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205428337) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 473496 + ... + 476034.

It is an arithmetic number, because the mean of its divisors is an integer number (62301120).

Almost surely, 2^1205428335 is an apocalyptic number.

1205428335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1205428335 is a deficient number, since it is larger than the sum of its proper divisors (788207505).

1205428335 is a wasteful number, since it uses less digits than its factorization.

1205428335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1205428335 is about 34719.2790103712. The cubic root of 1205428335 is about 1064.2585109590.

The spelling of 1205428335 in words is "one billion, two hundred five million, four hundred twenty-eight thousand, three hundred thirty-five".