1320132403 has 8 divisors (see below), whose sum is σ = 1425031200. Its totient is φ = 1219192128.

The previous prime is 1320132383. The next prime is 1320132409. The reversal of 1320132403 is 3042310231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320132403 - 2⁵ = 1320132371 is a prime.

It is a super-2 number, since 2×1320132403² = 3485499122901108818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320132409) 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, 988938 + ... + 990271.

It is an arithmetic number, because the mean of its divisors is an integer number (178128900).

Almost surely, 2^1320132403 is an apocalyptic number.

1320132403 is a deficient number, since it is larger than the sum of its proper divisors (104898797).

1320132403 is a wasteful number, since it uses less digits than its factorization.

1320132403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979261.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1320132403 is about 36333.6263397971. The cubic root of 1320132403 is about 1096.9979862725.

Adding to 1320132403 its reverse (3042310231), we get a palindrome (4362442634).

The spelling of 1320132403 in words is "one billion, three hundred twenty million, one hundred thirty-two thousand, four hundred three".