1330121001 has 16 divisors (see below), whose sum is σ = 1943900928. Its totient is φ = 802309200.

The previous prime is 1330120997. The next prime is 1330121059. The reversal of 1330121001 is 1001210331.

It is not a de Polignac number, because 1330121001 - 2² = 1330120997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330123001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88551 + ... + 102476.

It is an arithmetic number, because the mean of its divisors is an integer number (121493808).

Almost surely, 2^1330121001 is an apocalyptic number.

1330121001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1330121001 is a deficient number, since it is larger than the sum of its proper divisors (613779927).

1330121001 is a wasteful number, since it uses less digits than its factorization.

1330121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191252.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1330121001 is about 36470.8239693046. The cubic root of 1330121001 is about 1099.7577981902.

Adding to 1330121001 its reverse (1001210331), we get a palindrome (2331331332).

The spelling of 1330121001 in words is "one billion, three hundred thirty million, one hundred twenty-one thousand, one".