1048651980 has 48 divisors (see below), whose sum is σ = 2942079840. Its totient is φ = 279083008.

The previous prime is 1048651943. The next prime is 1048651991. The reversal of 1048651980 is 891568401.

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 15 ways as a sum of consecutive naturals, for example, 13372 + ... + 47708.

It is an arithmetic number, because the mean of its divisors is an integer number (61293330).

Almost surely, 2^1048651980 is an apocalyptic number.

1048651980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1048651980 is an abundant number, since it is smaller than the sum of its proper divisors (1893427860).

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

1048651980 is a wasteful number, since it uses less digits than its factorization.

1048651980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34858 (or 34856 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1048651980 is about 32382.8964115318. The cubic root of 1048651980 is about 1015.9612109832.

The spelling of 1048651980 in words is "one billion, forty-eight million, six hundred fifty-one thousand, nine hundred eighty".