1120431657 has 8 divisors (see below), whose sum is σ = 1494125920. Its totient is φ = 746845920.

The previous prime is 1120431649. The next prime is 1120431659. The reversal of 1120431657 is 7561340211.

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

It is not a de Polignac number, because 1120431657 - 2³ = 1120431649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120431659) 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 7 ways as a sum of consecutive naturals, for example, 1182 + ... + 47352.

It is an arithmetic number, because the mean of its divisors is an integer number (186765740).

Almost surely, 2^1120431657 is an apocalyptic number.

It is an amenable number.

1120431657 is a deficient number, since it is larger than the sum of its proper divisors (373694263).

1120431657 is an equidigital number, since it uses as much as digits as its factorization.

1120431657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54263.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1120431657 is about 33472.8495500458. The cubic root of 1120431657 is about 1038.6322184976.

Adding to 1120431657 its reverse (7561340211), we get a palindrome (8681771868).

The spelling of 1120431657 in words is "one billion, one hundred twenty million, four hundred thirty-one thousand, six hundred fifty-seven".