1202255155 has 8 divisors (see below), whose sum is σ = 1442950272. Its totient is φ = 961641408.

The previous prime is 1202255143. The next prime is 1202255179. The reversal of 1202255155 is 5515522021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202255155 - 2¹³ = 1202246963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19134 + ... + 52636.

It is an arithmetic number, because the mean of its divisors is an integer number (180368784).

Almost surely, 2^1202255155 is an apocalyptic number.

1202255155 is a deficient number, since it is larger than the sum of its proper divisors (240695117).

1202255155 is an equidigital number, since it uses as much as digits as its factorization.

1202255155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40685.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 1202255155 is about 34673.5512314502. The cubic root of 1202255155 is about 1063.3238358859.

Adding to 1202255155 its reverse (5515522021), we get a palindrome (6717777176).

The spelling of 1202255155 in words is "one billion, two hundred two million, two hundred fifty-five thousand, one hundred fifty-five".