1331064123 has 8 divisors (see below), whose sum is σ = 1781069136. Its totient is φ = 884217600.

The previous prime is 1331064107. The next prime is 1331064157. The reversal of 1331064123 is 3214601331.

It is a happy number.

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

It is not a de Polignac number, because 1331064123 - 2⁴ = 1331064107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331064093 and 1331064102.

It is not an unprimeable number, because it can be changed into a prime (1331064223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788638 + ... + 790323.

It is an arithmetic number, because the mean of its divisors is an integer number (222633642).

Almost surely, 2^1331064123 is an apocalyptic number.

1331064123 is a deficient number, since it is larger than the sum of its proper divisors (450005013).

1331064123 is a wasteful number, since it uses less digits than its factorization.

1331064123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579245.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1331064123 is about 36483.7514929592. The cubic root of 1331064123 is about 1100.0176644546.

Adding to 1331064123 its reverse (3214601331), we get a palindrome (4545665454).

The spelling of 1331064123 in words is "one billion, three hundred thirty-one million, sixty-four thousand, one hundred twenty-three".