1321014420 has 120 divisors (see below), whose sum is σ = 4520865888. Its totient is φ = 320241600.

The previous prime is 1321014419. The next prime is 1321014433. The reversal of 1321014420 is 244101231.

1321014420 is a `hidden beast` number, since 13 + 210 + 1 + 442 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1321014393 and 1321014402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19246 + ... + 54885.

Almost surely, 2^1321014420 is an apocalyptic number.

1321014420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321014420 is an abundant number, since it is smaller than the sum of its proper divisors (3199851468).

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

1321014420 is a wasteful number, since it uses less digits than its factorization.

1321014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74163 (or 74152 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1321014420 is about 36345.7620638225. The cubic root of 1321014420 is about 1097.2422434555.

Adding to 1321014420 its reverse (244101231), we get a palindrome (1565115651).

The spelling of 1321014420 in words is "one billion, three hundred twenty-one million, fourteen thousand, four hundred twenty".