1012011984 has 60 divisors (see below), whose sum is σ = 2849255136. Its totient is φ = 335309376.

The previous prime is 1012011971. The next prime is 1012012003. The reversal of 1012011984 is 4891102101.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3007 + ... + 45089.

Almost surely, 2^1012011984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012011984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424627568).

1012011984 is an abundant number, since it is smaller than the sum of its proper divisors (1837243152).

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

1012011984 is a wasteful number, since it uses less digits than its factorization.

1012011984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42264 (or 42255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1012011984 is about 31812.1357975223. The cubic root of 1012011984 is about 1003.9880688307.

The spelling of 1012011984 in words is "one billion, twelve million, eleven thousand, nine hundred eighty-four".