1019002272 has 24 divisors (see below), whose sum is σ = 2674881216. Its totient is φ = 339667392.

The previous prime is 1019002249. The next prime is 1019002273. The reversal of 1019002272 is 2722009101.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1019002273) 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 3 ways as a sum of consecutive naturals, for example, 5307208 + ... + 5307399.

It is an arithmetic number, because the mean of its divisors is an integer number (111453384).

Almost surely, 2^1019002272 is an apocalyptic number.

1019002272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1019002272 is an abundant number, since it is smaller than the sum of its proper divisors (1655878944).

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

1019002272 is a wasteful number, since it uses less digits than its factorization.

1019002272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10614620 (or 10614612 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1019002272 is about 31921.8149859935. The cubic root of 1019002272 is about 1006.2943882172.

The spelling of 1019002272 in words is "one billion, nineteen million, two thousand, two hundred seventy-two".