1202136155 has 32 divisors (see below), whose sum is σ = 1611906048. Its totient is φ = 853171200.

The previous prime is 1202136139. The next prime is 1202136157. The reversal of 1202136155 is 5516312021.

It is not a de Polignac number, because 1202136155 - 2⁴ = 1202136139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202136157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1739360 + ... + 1740050.

It is an arithmetic number, because the mean of its divisors is an integer number (50372064).

Almost surely, 2^1202136155 is an apocalyptic number.

1202136155 is a deficient number, since it is larger than the sum of its proper divisors (409769893).

1202136155 is a wasteful number, since it uses less digits than its factorization.

1202136155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1202136155 is about 34671.8351836184. The cubic root of 1202136155 is about 1063.2887518993.

Adding to 1202136155 its reverse (5516312021), we get a palindrome (6718448176).

The spelling of 1202136155 in words is "one billion, two hundred two million, one hundred thirty-six thousand, one hundred fifty-five".