1121401024 has 28 divisors (see below), whose sum is σ = 2236834744. Its totient is φ = 557789184.

The previous prime is 1121401009. The next prime is 1121401049. The reversal of 1121401024 is 4201041211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1121400989 and 1121401007.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33042 + ... + 57745.

Almost surely, 2^1121401024 is an apocalyptic number.

It is an amenable number.

1121401024 is a deficient number, since it is larger than the sum of its proper divisors (1115433720).

1121401024 is an equidigital number, since it uses as much as digits as its factorization.

1121401024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90992 (or 90982 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1121401024 is about 33487.3263190718. The cubic root of 1121401024 is about 1038.9316642735.

Adding to 1121401024 its reverse (4201041211), we get a palindrome (5322442235).

The spelling of 1121401024 in words is "one billion, one hundred twenty-one million, four hundred one thousand, twenty-four".