1248154984 has 64 divisors (see below), whose sum is σ = 2542141440. Its totient is φ = 572806080.

The previous prime is 1248154951. The next prime is 1248155009. The reversal of 1248154984 is 4894518421.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 723547 + ... + 725269.

It is an arithmetic number, because the mean of its divisors is an integer number (39720960).

Almost surely, 2^1248154984 is an apocalyptic number.

It is an amenable number.

1248154984 is an abundant number, since it is smaller than the sum of its proper divisors (1293986456).

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

1248154984 is a wasteful number, since it uses less digits than its factorization.

1248154984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1906 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 1248154984 is about 35329.2369575116. The cubic root of 1248154984 is about 1076.6870885120.

The spelling of 1248154984 in words is "one billion, two hundred forty-eight million, one hundred fifty-four thousand, nine hundred eighty-four".