1241031240 has 256 divisors, whose sum is σ = 4412620800. Its totient is φ = 309526272.

The previous prime is 1241031203. The next prime is 1241031269. The reversal of 1241031240 is 421301421.

1241031240 is a `hidden beast` number, since 12 + 410 + 3 + 1 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1166949 + ... + 1168011.

It is an arithmetic number, because the mean of its divisors is an integer number (17236800).

Almost surely, 2^1241031240 is an apocalyptic number.

1241031240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241031240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206310400).

1241031240 is an abundant number, since it is smaller than the sum of its proper divisors (3171589560).

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

1241031240 is a wasteful number, since it uses less digits than its factorization.

1241031240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1241031240 is about 35228.2733042651. The cubic root of 1241031240 is about 1074.6348108751.

Adding to 1241031240 its reverse (421301421), we get a palindrome (1662332661).

The spelling of 1241031240 in words is "one billion, two hundred forty-one million, thirty-one thousand, two hundred forty".