1240245248 has 88 divisors (see below), whose sum is σ = 2733481920. Its totient is φ = 557752320.

The previous prime is 1240245211. The next prime is 1240245257. The reversal of 1240245248 is 8425420421.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159658 + ... + 1160726.

Almost surely, 2^1240245248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240245248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366740960).

1240245248 is an abundant number, since it is smaller than the sum of its proper divisors (1493236672).

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

1240245248 is a wasteful number, since it uses less digits than its factorization.

1240245248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 1240245248 is about 35217.1158387509. The cubic root of 1240245248 is about 1074.4078940130.

Adding to 1240245248 its reverse (8425420421), we get a palindrome (9665665669).

The spelling of 1240245248 in words is "one billion, two hundred forty million, two hundred forty-five thousand, two hundred forty-eight".