1260801615 has 16 divisors (see below), whose sum is σ = 2044918368. Its totient is φ = 663215616.

The previous prime is 1260801611. The next prime is 1260801691. The reversal of 1260801615 is 5161080621.

1260801615 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1260801615 - 2² = 1260801611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260801611) 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, 574614 + ... + 576803.

It is an arithmetic number, because the mean of its divisors is an integer number (127807398).

Almost surely, 2^1260801615 is an apocalyptic number.

1260801615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1260801615 is a deficient number, since it is larger than the sum of its proper divisors (784116753).

1260801615 is a wasteful number, since it uses less digits than its factorization.

1260801615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151498.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1260801615 is about 35507.7683753851. The cubic root of 1260801615 is about 1080.3113000083.

The spelling of 1260801615 in words is "one billion, two hundred sixty million, eight hundred one thousand, six hundred fifteen".