1011285472 has 48 divisors (see below), whose sum is σ = 2062392192. Its totient is φ = 487618560.

The previous prime is 1011285467. The next prime is 1011285479. The reversal of 1011285472 is 2745821101.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011285479) 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 7 ways as a sum of consecutive naturals, for example, 308868 + ... + 312124.

It is an arithmetic number, because the mean of its divisors is an integer number (42966504).

Almost surely, 2^1011285472 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 1011285472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031196096).

1011285472 is an abundant number, since it is smaller than the sum of its proper divisors (1051106720).

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

1011285472 is a wasteful number, since it uses less digits than its factorization.

1011285472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1011285472 is about 31800.7149605162. The cubic root of 1011285472 is about 1003.7477607428.

The spelling of 1011285472 in words is "one billion, eleven million, two hundred eighty-five thousand, four hundred seventy-two".