1016126020 has 144 divisors (see below), whose sum is σ = 2684320128. Its totient is φ = 316293120.

The previous prime is 1016125951. The next prime is 1016126047. The reversal of 1016126020 is 206216101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1584900 + ... + 1585540.

It is an arithmetic number, because the mean of its divisors is an integer number (18641112).

Almost surely, 2^1016126020 is an apocalyptic number.

1016126020 is a gapful number since it is divisible by the number (10) 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 1016126020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342160064).

1016126020 is an abundant number, since it is smaller than the sum of its proper divisors (1668194108).

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

1016126020 is a wasteful number, since it uses less digits than its factorization.

1016126020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1016126020 is about 31876.7316392380. The cubic root of 1016126020 is about 1005.3467018304.

The spelling of 1016126020 in words is "one billion, sixteen million, one hundred twenty-six thousand, twenty".