1048751820 has 48 divisors (see below), whose sum is σ = 3262785120. Its totient is φ = 279667008.

The previous prime is 1048751813. The next prime is 1048751831. The reversal of 1048751820 is 281578401.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970527 + ... + 971606.

It is an arithmetic number, because the mean of its divisors is an integer number (67974690).

Almost surely, 2^1048751820 is an apocalyptic number.

1048751820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1048751820 is an abundant number, since it is smaller than the sum of its proper divisors (2214033300).

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

1048751820 is a wasteful number, since it uses less digits than its factorization.

1048751820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942151 (or 1942143 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1048751820 is about 32384.4379293512. The cubic root of 1048751820 is about 1015.9934524864.

The spelling of 1048751820 in words is "one billion, forty-eight million, seven hundred fifty-one thousand, eight hundred twenty".