1133028121 has 8 divisors (see below), whose sum is σ = 1262818080. Its totient is φ = 1010253888.

The previous prime is 1133028079. The next prime is 1133028131. The reversal of 1133028121 is 1218203311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1133028121 - 2⁷ = 1133027993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133028092 and 1133028101.

It is not an unprimeable number, because it can be changed into a prime (1133028131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753591 + ... + 1754236.

It is an arithmetic number, because the mean of its divisors is an integer number (157852260).

Almost surely, 2^1133028121 is an apocalyptic number.

It is an amenable number.

1133028121 is a deficient number, since it is larger than the sum of its proper divisors (129789959).

1133028121 is a wasteful number, since it uses less digits than its factorization.

1133028121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507863.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1133028121 is about 33660.4830773416. The cubic root of 1133028121 is about 1042.5100002683.

The spelling of 1133028121 in words is "one billion, one hundred thirty-three million, twenty-eight thousand, one hundred twenty-one".