1321301420 has 48 divisors (see below), whose sum is σ = 2988733440. Its totient is φ = 489053376.

The previous prime is 1321301411. The next prime is 1321301431. The reversal of 1321301420 is 241031231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24092 + ... + 56771.

It is an arithmetic number, because the mean of its divisors is an integer number (62265280).

Almost surely, 2^1321301420 is an apocalyptic number.

1321301420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321301420 is an abundant number, since it is smaller than the sum of its proper divisors (1667432020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321301420 is a wasteful number, since it uses less digits than its factorization.

1321301420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80934 (or 80932 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1321301420 is about 36349.7100401090. The cubic root of 1321301420 is about 1097.3216989902.

Adding to 1321301420 its reverse (241031231), we get a palindrome (1562332651).

The spelling of 1321301420 in words is "one billion, three hundred twenty-one million, three hundred one thousand, four hundred twenty".