1205250430 has 16 divisors (see below), whose sum is σ = 2170408464. Its totient is φ = 481887360.

The previous prime is 1205250401. The next prime is 1205250437. The reversal of 1205250430 is 340525021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205250437) by changing a digit.

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, 1707 + ... + 49126.

It is an arithmetic number, because the mean of its divisors is an integer number (135650529).

Almost surely, 2^1205250430 is an apocalyptic number.

1205250430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205250430 is a deficient number, since it is larger than the sum of its proper divisors (965158034).

1205250430 is a wasteful number, since it uses less digits than its factorization.

1205250430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53211.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1205250430 is about 34716.7168666624. The cubic root of 1205250430 is about 1064.2061516385.

Adding to 1205250430 its reverse (340525021), we get a palindrome (1545775451).

The spelling of 1205250430 in words is "one billion, two hundred five million, two hundred fifty thousand, four hundred thirty".