1201131030 has 64 divisors (see below), whose sum is σ = 3149031168. Its totient is φ = 290789760.

The previous prime is 1201130989. The next prime is 1201131031. The reversal of 1201131030 is 301311021.

1201131030 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1201130997 and 1201131015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201131031) 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 31 ways as a sum of consecutive naturals, for example, 297304 + ... + 301316.

It is an arithmetic number, because the mean of its divisors is an integer number (49203612).

Almost surely, 2^1201131030 is an apocalyptic number.

1201131030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201131030 is an abundant number, since it is smaller than the sum of its proper divisors (1947900138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201131030 is a wasteful number, since it uses less digits than its factorization.

1201131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1201131030 is about 34657.3373183804. The cubic root of 1201131030 is about 1062.9923251028.

Adding to 1201131030 its reverse (301311021), we get a palindrome (1502442051).

Subtracting from 1201131030 its reverse (301311021), we obtain a square (899820009 = 29997²).

It can be divided in two parts, 1201 and 131030, that added together give a palindrome (132231).

The spelling of 1201131030 in words is "one billion, two hundred one million, one hundred thirty-one thousand, thirty".