1330123401 has 12 divisors (see below), whose sum is σ = 2034306612. Its totient is φ = 834587136.

The previous prime is 1330123393. The next prime is 1330123409. The reversal of 1330123401 is 1043210331.

It is an interprime number because it is at equal distance from previous prime (1330123393) and next prime (1330123409).

It can be written as a sum of positive squares in 2 ways, for example, as 1141088400 + 189035001 = 33780^2 + 13749^2 .

It is not a de Polignac number, because 1330123401 - 2³ = 1330123393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330123409) 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, 4346656 + ... + 4346961.

It is an arithmetic number, because the mean of its divisors is an integer number (169525551).

Almost surely, 2^1330123401 is an apocalyptic number.

It is an amenable number.

1330123401 is a deficient number, since it is larger than the sum of its proper divisors (704183211).

1330123401 is a wasteful number, since it uses less digits than its factorization.

1330123401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693640 (or 8693637 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1330123401 is about 36470.8568723028. The cubic root of 1330123401 is about 1099.7584596381.

Adding to 1330123401 its reverse (1043210331), we get a palindrome (2373333732).

The spelling of 1330123401 in words is "one billion, three hundred thirty million, one hundred twenty-three thousand, four hundred one".