1021950912 has 112 divisors (see below), whose sum is σ = 2793821184. Its totient is φ = 329472000.

The previous prime is 1021950911. The next prime is 1021950949. The reversal of 1021950912 is 2190591201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021950912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021950911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030737 + ... + 1031727.

It is an arithmetic number, because the mean of its divisors is an integer number (24944832).

Almost surely, 2^1021950912 is an apocalyptic number.

1021950912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021950912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396910592).

1021950912 is an abundant number, since it is smaller than the sum of its proper divisors (1771870272).

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

1021950912 is a wasteful number, since it uses less digits than its factorization.

1021950912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 1021950912 is about 31967.9669669499. The cubic root of 1021950912 is about 1007.2640760978.

The spelling of 1021950912 in words is "one billion, twenty-one million, nine hundred fifty thousand, nine hundred twelve".