1205350641 has 12 divisors (see below), whose sum is σ = 1899340560. Its totient is φ = 730515480.

The previous prime is 1205350621. The next prime is 1205350681. The reversal of 1205350641 is 1460535021.

1205350641 is a `hidden beast` number, since 12 + 0 + 5 + 3 + 5 + 0 + 641 = 666.

It is not a de Polignac number, because 1205350641 - 2¹⁴ = 1205334257 is a prime.

It is a super-2 number, since 2×1205350641² = 2905740335518221762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1205350621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6087531 + ... + 6087728.

It is an arithmetic number, because the mean of its divisors is an integer number (158278380).

Almost surely, 2^1205350641 is an apocalyptic number.

1205350641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1205350641 is a deficient number, since it is larger than the sum of its proper divisors (693989919).

1205350641 is a wasteful number, since it uses less digits than its factorization.

1205350641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175276 (or 12175273 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1205350641 is about 34718.1601038995. The cubic root of 1205350641 is about 1064.2356454279.

Adding to 1205350641 its reverse (1460535021), we get a palindrome (2665885662).

The spelling of 1205350641 in words is "one billion, two hundred five million, three hundred fifty thousand, six hundred forty-one".