1013202155 has 12 divisors (see below), whose sum is σ = 1414347840. Its totient is φ = 694767024.

The previous prime is 1013202149. The next prime is 1013202167. The reversal of 1013202155 is 5512023101.

It is a happy number.

It is not a de Polignac number, because 1013202155 - 2⁴ = 1013202139 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 2067515 + ... + 2068004.

It is an arithmetic number, because the mean of its divisors is an integer number (117862320).

Almost surely, 2^1013202155 is an apocalyptic number.

1013202155 is a deficient number, since it is larger than the sum of its proper divisors (401145685).

1013202155 is an equidigital number, since it uses as much as digits as its factorization.

1013202155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135538 (or 4135531 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1013202155 is about 31830.8365425730. The cubic root of 1013202155 is about 1004.3814928162.

Adding to 1013202155 its reverse (5512023101), we get a palindrome (6525225256).

The spelling of 1013202155 in words is "one billion, thirteen million, two hundred two thousand, one hundred fifty-five".