1049251872 has 48 divisors (see below), whose sum is σ = 2761123680. Its totient is φ = 348882432.

The previous prime is 1049251867. The next prime is 1049251873. The reversal of 1049251872 is 2781529401.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1049251872² = 2201858981791008768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1049251872.

It is not an unprimeable number, because it can be changed into a prime (1049251873) 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 in 7 ways as a sum of consecutive naturals, for example, 25903 + ... + 52625.

It is an arithmetic number, because the mean of its divisors is an integer number (57523410).

Almost surely, 2^1049251872 is an apocalyptic number.

1049251872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1049251872 is an abundant number, since it is smaller than the sum of its proper divisors (1711871808).

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

1049251872 is a wasteful number, since it uses less digits than its factorization.

1049251872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27145 (or 27137 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1049251872 is about 32392.1575693871. The cubic root of 1049251872 is about 1016.1549043578.

The spelling of 1049251872 in words is "one billion, forty-nine million, two hundred fifty-one thousand, eight hundred seventy-two".