1205102641 has 16 divisors (see below), whose sum is σ = 1286489088. Its totient is φ = 1126382400.

The previous prime is 1205102623. The next prime is 1205102659. The reversal of 1205102641 is 1462015021.

It is an interprime number because it is at equal distance from previous prime (1205102623) and next prime (1205102659).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1205102641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1205102621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217536 + ... + 223006.

It is an arithmetic number, because the mean of its divisors is an integer number (80405568).

Almost surely, 2^1205102641 is an apocalyptic number.

It is an amenable number.

1205102641 is a deficient number, since it is larger than the sum of its proper divisors (81386447).

1205102641 is a wasteful number, since it uses less digits than its factorization.

1205102641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1205102641 is about 34714.5883023262. The cubic root of 1205102641 is about 1064.1626518568.

Adding to 1205102641 its reverse (1462015021), we get a palindrome (2667117662).

The spelling of 1205102641 in words is "one billion, two hundred five million, one hundred two thousand, six hundred forty-one".