1331412123 has 8 divisors (see below), whose sum is σ = 1775385088. Its totient is φ = 887523624.

The previous prime is 1331412073. The next prime is 1331412191. The reversal of 1331412123 is 3212141331.

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

It is not a de Polignac number, because 1331412123 - 2⁶ = 1331412059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331412123.

It is not an unprimeable number, because it can be changed into a prime (1331412223) 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, 47790 + ... + 70332.

It is an arithmetic number, because the mean of its divisors is an integer number (221923136).

Almost surely, 2^1331412123 is an apocalyptic number.

1331412123 is a deficient number, since it is larger than the sum of its proper divisors (443972965).

1331412123 is a wasteful number, since it uses less digits than its factorization.

1331412123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42233.

The product of its digits is 432, while the sum is 21.

The square root of 1331412123 is about 36488.5204276633. The cubic root of 1331412123 is about 1100.1135207911.

Adding to 1331412123 its reverse (3212141331), we get a palindrome (4543553454).

The spelling of 1331412123 in words is "one billion, three hundred thirty-one million, four hundred twelve thousand, one hundred twenty-three".