1202153113 has 12 divisors (see below), whose sum is σ = 1480684212. Its totient is φ = 969803520.

The previous prime is 1202153101. The next prime is 1202153119. The reversal of 1202153113 is 3113512021.

It can be written as a sum of positive squares in 2 ways, for example, as 994014784 + 208138329 = 31528^2 + 14427^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1202153113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202153119) 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 11 ways as a sum of consecutive naturals, for example, 720748 + ... + 722413.

It is an arithmetic number, because the mean of its divisors is an integer number (123390351).

Almost surely, 2^1202153113 is an apocalyptic number.

It is an amenable number.

1202153113 is a deficient number, since it is larger than the sum of its proper divisors (278531099).

1202153113 is a wasteful number, since it uses less digits than its factorization.

1202153113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443192 (or 1443185 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1202153113 is about 34672.0797328340. The cubic root of 1202153113 is about 1063.2937516562.

Adding to 1202153113 its reverse (3113512021), we get a palindrome (4315665134).

The spelling of 1202153113 in words is "one billion, two hundred two million, one hundred fifty-three thousand, one hundred thirteen".