131120553 has 16 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 85211136.

The previous prime is 131120519. The next prime is 131120557. The reversal of 131120553 is 355021131.

It is not a de Polignac number, because 131120553 - 2¹⁰ = 131119529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131120557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36201 + ... + 39657.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^131120553 is an apocalyptic number.

It is an amenable number.

131120553 is a deficient number, since it is larger than the sum of its proper divisors (48142167).

131120553 is a wasteful number, since it uses less digits than its factorization.

131120553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 131120553 is about 11450.7883134743. The cubic root of 131120553 is about 508.0310511224.

Adding to 131120553 its reverse (355021131), we get a palindrome (486141684).

The spelling of 131120553 in words is "one hundred thirty-one million, one hundred twenty thousand, five hundred fifty-three".