1097971824 has 40 divisors (see below), whose sum is σ = 2862463120. Its totient is φ = 362631168.

The previous prime is 1097971793. The next prime is 1097971837. The reversal of 1097971824 is 4281797901.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 99697 + ... + 110160.

It is an arithmetic number, because the mean of its divisors is an integer number (71561578).

Almost surely, 2^1097971824 is an apocalyptic number.

It is an amenable number.

1097971824 is an abundant number, since it is smaller than the sum of its proper divisors (1764491296).

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

1097971824 is a wasteful number, since it uses less digits than its factorization.

1097971824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209977 (or 209971 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 1097971824 is about 33135.6578929708. The cubic root of 1097971824 is about 1031.6452870239.

The spelling of 1097971824 in words is "one billion, ninety-seven million, nine hundred seventy-one thousand, eight hundred twenty-four".