1306036061 has 4 divisors (see below), whose sum is σ = 1424766624. Its totient is φ = 1187305500.

The previous prime is 1306036051. The next prime is 1306036063. The reversal of 1306036061 is 1606306031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1306036061 - 2²⁶ = 1238927197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1306036061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306036063) 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 3 ways as a sum of consecutive naturals, for example, 59365265 + ... + 59365286.

It is an arithmetic number, because the mean of its divisors is an integer number (356191656).

Almost surely, 2^1306036061 is an apocalyptic number.

1306036061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1306036061 is a deficient number, since it is larger than the sum of its proper divisors (118730563).

1306036061 is a wasteful number, since it uses less digits than its factorization.

1306036061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118730562.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1306036061 is about 36139.1209217933. The cubic root of 1306036061 is about 1093.0794329019.

The spelling of 1306036061 in words is "one billion, three hundred six million, thirty-six thousand, sixty-one".