1206036155 has 4 divisors (see below), whose sum is σ = 1447243392. Its totient is φ = 964828920.

The previous prime is 1206036133. The next prime is 1206036187. The reversal of 1206036155 is 5516306021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1206036155 - 2¹² = 1206032059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120603611 + ... + 120603620.

It is an arithmetic number, because the mean of its divisors is an integer number (361810848).

Almost surely, 2^1206036155 is an apocalyptic number.

1206036155 is a deficient number, since it is larger than the sum of its proper divisors (241207237).

1206036155 is an equidigital number, since it uses as much as digits as its factorization.

1206036155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241207236.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1206036155 is about 34728.0312571847. The cubic root of 1206036155 is about 1064.4373599467.

The spelling of 1206036155 in words is "one billion, two hundred six million, thirty-six thousand, one hundred fifty-five".