1121053401 has 12 divisors (see below), whose sum is σ = 1743861028. Its totient is φ = 689878944.

The previous prime is 1121053399. The next prime is 1121053421. The reversal of 1121053401 is 1043501211.

1121053401 is a `hidden beast` number, since 1 + 1 + 210 + 53 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 210221001 + 910832400 = 14499^2 + 30180^2 .

It is not a de Polignac number, because 1121053401 - 2¹ = 1121053399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121053421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4790710 + ... + 4790943.

Almost surely, 2^1121053401 is an apocalyptic number.

It is an amenable number.

1121053401 is a deficient number, since it is larger than the sum of its proper divisors (622807627).

1121053401 is a wasteful number, since it uses less digits than its factorization.

1121053401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581672 (or 9581669 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1121053401 is about 33482.1355501706. The cubic root of 1121053401 is about 1038.8243004019.

Adding to 1121053401 its reverse (1043501211), we get a palindrome (2164554612).

The spelling of 1121053401 in words is "one billion, one hundred twenty-one million, fifty-three thousand, four hundred one".