1330552121 has 8 divisors (see below), whose sum is σ = 1427008320. Its totient is φ = 1236738672.

The previous prime is 1330552109. The next prime is 1330552123. The reversal of 1330552121 is 1212550331.

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 1330552121 - 2¹⁰ = 1330551097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330552123) 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, 659645 + ... + 661658.

It is an arithmetic number, because the mean of its divisors is an integer number (178376040).

Almost surely, 2^1330552121 is an apocalyptic number.

It is an amenable number.

1330552121 is a deficient number, since it is larger than the sum of its proper divisors (96456199).

1330552121 is a wasteful number, since it uses less digits than its factorization.

1330552121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321375.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1330552121 is about 36476.7339683804. The cubic root of 1330552121 is about 1099.8766035134.

The spelling of 1330552121 in words is "one billion, three hundred thirty million, five hundred fifty-two thousand, one hundred twenty-one".