1248913518 has 32 divisors (see below), whose sum is σ = 2548125216. Its totient is φ = 407941248.

The previous prime is 1248913513. The next prime is 1248913531. The reversal of 1248913518 is 8153198421.

It is a self number, because there is not a number n which added to its sum of digits gives 1248913518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248913513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320196 + ... + 324072.

It is an arithmetic number, because the mean of its divisors is an integer number (79628913).

Almost surely, 2^1248913518 is an apocalyptic number.

1248913518 is an abundant number, since it is smaller than the sum of its proper divisors (1299211698).

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

1248913518 is a wasteful number, since it uses less digits than its factorization.

1248913518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948.

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

The square root of 1248913518 is about 35339.9705432814. The cubic root of 1248913518 is about 1076.9051539464.

The spelling of 1248913518 in words is "one billion, two hundred forty-eight million, nine hundred thirteen thousand, five hundred eighteen".