1205530672 has 10 divisors (see below), whose sum is σ = 2335715708. Its totient is φ = 602765328.

The previous prime is 1205530663. The next prime is 1205530681. The reversal of 1205530672 is 2760355021.

It is an interprime number because it is at equal distance from previous prime (1205530663) and next prime (1205530681).

It is a super-2 number, since 2×1205530672² = 2906608402265543168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37672818 + ... + 37672849.

Almost surely, 2^1205530672 is an apocalyptic number.

It is an amenable number.

1205530672 is a deficient number, since it is larger than the sum of its proper divisors (1130185036).

1205530672 is an equidigital number, since it uses as much as digits as its factorization.

1205530672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75345675 (or 75345669 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1205530672 is about 34720.7527568168. The cubic root of 1205530672 is about 1064.2886274850.

Adding to 1205530672 its reverse (2760355021), we get a palindrome (3965885693).

The spelling of 1205530672 in words is "one billion, two hundred five million, five hundred thirty thousand, six hundred seventy-two".