1248539982 has 32 divisors (see below), whose sum is σ = 2533386240. Its totient is φ = 410167200.

The previous prime is 1248539953. The next prime is 1248539983. The reversal of 1248539982 is 2899358421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248539983) 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, 130519 + ... + 139757.

It is an arithmetic number, because the mean of its divisors is an integer number (79168320).

Almost surely, 2^1248539982 is an apocalyptic number.

1248539982 is an abundant number, since it is smaller than the sum of its proper divisors (1284846258).

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

1248539982 is a wasteful number, since it uses less digits than its factorization.

1248539982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9568.

The product of its digits is 1244160, while the sum is 51.

The square root of 1248539982 is about 35334.6852540107. The cubic root of 1248539982 is about 1076.7977798305.

The spelling of 1248539982 in words is "one billion, two hundred forty-eight million, five hundred thirty-nine thousand, nine hundred eighty-two".