1084121053 has 6 divisors (see below), whose sum is σ = 1113627354. Its totient is φ = 1054625616.

The previous prime is 1084121011. The next prime is 1084121069. The reversal of 1084121053 is 3501214801.

It can be written as a sum of positive squares in 3 ways, for example, as 107371044 + 976750009 = 10362^2 + 31253^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1084121053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084121153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197575 + ... + 202987.

It is an arithmetic number, because the mean of its divisors is an integer number (185604559).

Almost surely, 2^1084121053 is an apocalyptic number.

It is an amenable number.

1084121053 is a deficient number, since it is larger than the sum of its proper divisors (29506301).

1084121053 is an frugal number, since it uses more digits than its factorization.

1084121053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10863 (or 5450 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1084121053 is about 32925.9935765043. The cubic root of 1084121053 is about 1027.2888934306.

Adding to 1084121053 its reverse (3501214801), we get a palindrome (4585335854).

The spelling of 1084121053 in words is "one billion, eighty-four million, one hundred twenty-one thousand, fifty-three".