1234571872 has 12 divisors (see below), whose sum is σ = 2430563436. Its totient is φ = 617285920.

The previous prime is 1234571831. The next prime is 1234571879. The reversal of 1234571872 is 2781754321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234571879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19290154 + ... + 19290217.

It is an arithmetic number, because the mean of its divisors is an integer number (202546953).

Almost surely, 2^1234571872 is an apocalyptic number.

It is an amenable number.

1234571872 is a deficient number, since it is larger than the sum of its proper divisors (1195991564).

1234571872 is an equidigital number, since it uses as much as digits as its factorization.

1234571872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38580381 (or 38580373 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 1234571872 is about 35136.4749512526. The cubic root of 1234571872 is about 1072.7671330135.

The spelling of 1234571872 in words is "one billion, two hundred thirty-four million, five hundred seventy-one thousand, eight hundred seventy-two".