1021301420 has 12 divisors (see below), whose sum is σ = 2144733024. Its totient is φ = 408520560.

The previous prime is 1021301419. The next prime is 1021301473. The reversal of 1021301420 is 241031201.

It is a junction number, because it is equal to n+sod(n) for n = 1021301395 and 1021301404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25532516 + ... + 25532555.

It is an arithmetic number, because the mean of its divisors is an integer number (178727752).

Almost surely, 2^1021301420 is an apocalyptic number.

1021301420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021301420 is an abundant number, since it is smaller than the sum of its proper divisors (1123431604).

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

1021301420 is a wasteful number, since it uses less digits than its factorization.

1021301420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51065080 (or 51065078 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1021301420 is about 31957.8068709353. The cubic root of 1021301420 is about 1007.0506449068.

Adding to 1021301420 its reverse (241031201), we get a palindrome (1262332621).

The spelling of 1021301420 in words is "one billion, twenty-one million, three hundred one thousand, four hundred twenty".