1201444131 has 8 divisors (see below), whose sum is σ = 1645220944. Its totient is φ = 779315040.

The previous prime is 1201444117. The next prime is 1201444133. The reversal of 1201444131 is 1314441021.

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

It is not a de Polignac number, because 1201444131 - 2¹⁰ = 1201443107 is a prime.

It is a super-2 number, since 2×1201444131² = 2886935999828690322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201444098 and 1201444107.

It is not an unprimeable number, because it can be changed into a prime (1201444133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5411800 + ... + 5412021.

It is an arithmetic number, because the mean of its divisors is an integer number (205652618).

Almost surely, 2^1201444131 is an apocalyptic number.

1201444131 is a deficient number, since it is larger than the sum of its proper divisors (443776813).

1201444131 is a wasteful number, since it uses less digits than its factorization.

1201444131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10823861.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1201444131 is about 34661.8541194784. The cubic root of 1201444131 is about 1063.0846811229.

Adding to 1201444131 its reverse (1314441021), we get a palindrome (2515885152).

The spelling of 1201444131 in words is "one billion, two hundred one million, four hundred forty-four thousand, one hundred thirty-one".