1205310501 has 12 divisors (see below), whose sum is σ = 1742377728. Its totient is φ = 802906344.

The previous prime is 1205310487. The next prime is 1205310517. The reversal of 1205310501 is 1050135021.

It is not a de Polignac number, because 1205310501 - 2⁶ = 1205310437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205310521) 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, 40645 + ... + 63738.

It is an arithmetic number, because the mean of its divisors is an integer number (145198144).

Almost surely, 2^1205310501 is an apocalyptic number.

It is an amenable number.

1205310501 is a deficient number, since it is larger than the sum of its proper divisors (537067227).

1205310501 is a wasteful number, since it uses less digits than its factorization.

1205310501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105672 (or 105669 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1205310501 is about 34717.5820154572. The cubic root of 1205310501 is about 1064.2238317444.

Adding to 1205310501 its reverse (1050135021), we get a palindrome (2255445522).

The spelling of 1205310501 in words is "one billion, two hundred five million, three hundred ten thousand, five hundred one".