1205041015 has 16 divisors (see below), whose sum is σ = 1460213568. Its totient is φ = 954635776.

The previous prime is 1205040997. The next prime is 1205041027. The reversal of 1205041015 is 5101405021.

It is a cyclic number.

It is not a de Polignac number, because 1205041015 - 2⁵ = 1205040983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1205040983 and 1205041001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224847 + ... + 230143.

It is an arithmetic number, because the mean of its divisors is an integer number (91263348).

Almost surely, 2^1205041015 is an apocalyptic number.

1205041015 is a deficient number, since it is larger than the sum of its proper divisors (255172553).

1205041015 is a wasteful number, since it uses less digits than its factorization.

1205041015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1205041015 is about 34713.7006814312. The cubic root of 1205041015 is about 1064.1445119896.

Adding to 1205041015 its reverse (5101405021), we get a palindrome (6306446036).

The spelling of 1205041015 in words is "one billion, two hundred five million, forty-one thousand, fifteen".