1048912500 has 144 divisors (see below), whose sum is σ = 3105176256. Its totient is φ = 275520000.

The previous prime is 1048912481. The next prime is 1048912517. The reversal of 1048912500 is 52198401.

It is a happy number.

It is a super-2 number, since 2×1048912500² = 2200434865312500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3112332 + ... + 3112668.

It is an arithmetic number, because the mean of its divisors is an integer number (21563724).

Almost surely, 2^1048912500 is an apocalyptic number.

1048912500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1048912500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552588128).

1048912500 is an abundant number, since it is smaller than the sum of its proper divisors (2056263756).

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

1048912500 is an equidigital number, since it uses as much as digits as its factorization.

1048912500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1048912500 is about 32386.9186555313. The cubic root of 1048912500 is about 1016.0453368593.

The spelling of 1048912500 in words is "one billion, forty-eight million, nine hundred twelve thousand, five hundred".