1260615045 has 32 divisors (see below), whose sum is σ = 2033171712. Its totient is φ = 666957312.

The previous prime is 1260615023. The next prime is 1260615053. The reversal of 1260615045 is 5405160621.

It is not a de Polignac number, because 1260615045 - 2⁷ = 1260614917 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1303152 + ... + 1304118.

It is an arithmetic number, because the mean of its divisors is an integer number (63536616).

Almost surely, 2^1260615045 is an apocalyptic number.

1260615045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1260615045 is a deficient number, since it is larger than the sum of its proper divisors (772556667).

1260615045 is a wasteful number, since it uses less digits than its factorization.

1260615045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1260615045 is about 35505.1411066060. The cubic root of 1260615045 is about 1080.2580102019.

Adding to 1260615045 its reverse (5405160621), we get a palindrome (6665775666).

The spelling of 1260615045 in words is "one billion, two hundred sixty million, six hundred fifteen thousand, forty-five".