1248541040 has 20 divisors (see below), whose sum is σ = 2902858104. Its totient is φ = 499416384.

The previous prime is 1248541033. The next prime is 1248541069. The reversal of 1248541040 is 401458421.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1248540994 and 1248541012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7803302 + ... + 7803461.

Almost surely, 2^1248541040 is an apocalyptic number.

1248541040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248541040 is an abundant number, since it is smaller than the sum of its proper divisors (1654317064).

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

1248541040 is a wasteful number, since it uses less digits than its factorization.

1248541040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15606776 (or 15606770 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 1248541040 is about 35334.7002251328. The cubic root of 1248541040 is about 1076.7980839862.

Adding to 1248541040 its reverse (401458421), we get a palindrome (1649999461).

The spelling of 1248541040 in words is "one billion, two hundred forty-eight million, five hundred forty-one thousand, forty".