1021454683050 has 144 divisors (see below), whose sum is σ = 2577080895552. Its totient is φ = 267738624000.

The previous prime is 1021454683037. The next prime is 1021454683087. The reversal of 1021454683050 is 503864541201.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 213111454 + ... + 213116246.

It is an arithmetic number, because the mean of its divisors is an integer number (17896395108).

Almost surely, 2^{1021454683050} is an apocalyptic number.

1021454683050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021454683050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288540447776).

1021454683050 is an abundant number, since it is smaller than the sum of its proper divisors (1555626212502).

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

1021454683050 is a wasteful number, since it uses less digits than its factorization.

1021454683050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153 (or 5051 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 1021454683050 in words is "one trillion, twenty-one billion, four hundred fifty-four million, six hundred eighty-three thousand, fifty".