1321412103 has 32 divisors (see below), whose sum is σ = 2159654400. Its totient is φ = 791841600.

The previous prime is 1321412101. The next prime is 1321412129. The reversal of 1321412103 is 3012141231.

It is not a de Polignac number, because 1321412103 - 2¹ = 1321412101 is a prime.

It is a super-2 number, since 2×1321412103² = 3492259891909765218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321412101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1438 + ... + 51428.

It is an arithmetic number, because the mean of its divisors is an integer number (67489200).

Almost surely, 2^1321412103 is an apocalyptic number.

1321412103 is a deficient number, since it is larger than the sum of its proper divisors (838242297).

1321412103 is a wasteful number, since it uses less digits than its factorization.

1321412103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50100 (or 50094 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1321412103 is about 36351.2324825445. The cubic root of 1321412103 is about 1097.3523383444.

Adding to 1321412103 its reverse (3012141231), we get a palindrome (4333553334).

The spelling of 1321412103 in words is "one billion, three hundred twenty-one million, four hundred twelve thousand, one hundred three".