1205052630 has 32 divisors (see below), whose sum is σ = 2970294624. Its totient is φ = 312662016.

The previous prime is 1205052623. The next prime is 1205052647. The reversal of 1205052630 is 362505021.

It is a self number, because there is not a number n which added to its sum of digits gives 1205052630.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 541707 + ... + 543926.

It is an arithmetic number, because the mean of its divisors is an integer number (92821707).

Almost surely, 2^1205052630 is an apocalyptic number.

1205052630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205052630 is an abundant number, since it is smaller than the sum of its proper divisors (1765241994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1205052630 is a wasteful number, since it uses less digits than its factorization.

1205052630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085680.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1205052630 is about 34713.8679780862. The cubic root of 1205052630 is about 1064.1479309600.

Adding to 1205052630 its reverse (362505021), we get a palindrome (1567557651).

The spelling of 1205052630 in words is "one billion, two hundred five million, fifty-two thousand, six hundred thirty".