1241403456 has 56 divisors (see below), whose sum is σ = 3457427680. Its totient is φ = 392020992.

The previous prime is 1241403431. The next prime is 1241403479. The reversal of 1241403456 is 6543041421.

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 7 ways as a sum of consecutive naturals, for example, 166501 + ... + 173796.

It is an arithmetic number, because the mean of its divisors is an integer number (61739780).

Almost surely, 2^1241403456 is an apocalyptic number.

1241403456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1241403456 is an abundant number, since it is smaller than the sum of its proper divisors (2216024224).

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

1241403456 is a wasteful number, since it uses less digits than its factorization.

1241403456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340331 (or 340321 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1241403456 is about 35233.5558239585. Note that the first 3 decimals coincide. The cubic root of 1241403456 is about 1074.7422366661.

Adding to 1241403456 its reverse (6543041421), we get a palindrome (7784444877).

The spelling of 1241403456 in words is "one billion, two hundred forty-one million, four hundred three thousand, four hundred fifty-six".