1200561260709 has 16 divisors (see below), whose sum is σ = 1671148196352. Its totient is φ = 765207670128.

The previous prime is 1200561260707. The next prime is 1200561260711. The reversal of 1200561260709 is 9070621650021.

It is an interprime number because it is at equal distance from previous prime (1200561260707) and next prime (1200561260711).

It is not a de Polignac number, because 1200561260709 - 2¹ = 1200561260707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200561260707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4032807 + ... + 4320260.

It is an arithmetic number, because the mean of its divisors is an integer number (104446762272).

Almost surely, 2^{1200561260709} is an apocalyptic number.

It is an amenable number.

1200561260709 is a deficient number, since it is larger than the sum of its proper divisors (470586935643).

1200561260709 is a wasteful number, since it uses less digits than its factorization.

1200561260709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355176.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 1200561260709 in words is "one trillion, two hundred billion, five hundred sixty-one million, two hundred sixty thousand, seven hundred nine".