1201441231 has 8 divisors (see below), whose sum is σ = 1271988720. Its totient is φ = 1131625152.

The previous prime is 1201441229. The next prime is 1201441237. The reversal of 1201441231 is 1321441021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201441231 - 2¹ = 1201441229 is a prime.

It is a super-2 number, since 2×1201441231² = 2886922063093590722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201441199 and 1201441208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201441237) 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 7 ways as a sum of consecutive naturals, for example, 179470 + ... + 186043.

It is an arithmetic number, because the mean of its divisors is an integer number (158998590).

Almost surely, 2^1201441231 is an apocalyptic number.

1201441231 is a deficient number, since it is larger than the sum of its proper divisors (70547489).

1201441231 is a wasteful number, since it uses less digits than its factorization.

1201441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365705.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1201441231 is about 34661.8122867227. The cubic root of 1201441231 is about 1063.0838257778.

Adding to 1201441231 its reverse (1321441021), we get a palindrome (2522882252).

The spelling of 1201441231 in words is "one billion, two hundred one million, four hundred forty-one thousand, two hundred thirty-one".