1201810532 has 48 divisors (see below), whose sum is σ = 2358484464. Its totient is φ = 532224000.

The previous prime is 1201810531. The next prime is 1201810543. The reversal of 1201810532 is 2350181021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 216855076 + 984955456 = 14726^2 + 31384^2 .

It is a super-2 number, since 2×1201810532² = 2888697109652246048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201810498 and 1201810507.

It is not an unprimeable number, because it can be changed into a prime (1201810531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125432 + ... + 134672.

It is an arithmetic number, because the mean of its divisors is an integer number (49135093).

Almost surely, 2^1201810532 is an apocalyptic number.

It is an amenable number.

1201810532 is a deficient number, since it is larger than the sum of its proper divisors (1156673932).

1201810532 is a wasteful number, since it uses less digits than its factorization.

1201810532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360 (or 9358 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1201810532 is about 34667.1390801145. The cubic root of 1201810532 is about 1063.1927387763.

Adding to 1201810532 its reverse (2350181021), we get a palindrome (3551991553).

The spelling of 1201810532 in words is "one billion, two hundred one million, eight hundred ten thousand, five hundred thirty-two".