1240410321 has 32 divisors (see below), whose sum is σ = 1948665600. Its totient is φ = 777127680.

The previous prime is 1240410319. The next prime is 1240410341. The reversal of 1240410321 is 1230140421.

1240410321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1240410321 - 2¹ = 1240410319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240410294 and 1240410303.

It is not an unprimeable number, because it can be changed into a prime (1240410341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383491 + ... + 386711.

It is an arithmetic number, because the mean of its divisors is an integer number (60895800).

Almost surely, 2^1240410321 is an apocalyptic number.

It is an amenable number.

1240410321 is a deficient number, since it is larger than the sum of its proper divisors (708255279).

1240410321 is a wasteful number, since it uses less digits than its factorization.

1240410321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086 (or 4080 counting only the distinct ones).

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

The square root of 1240410321 is about 35219.4594081170. The cubic root of 1240410321 is about 1074.4555587435.

Adding to 1240410321 its reverse (1230140421), we get a palindrome (2470550742).

The spelling of 1240410321 in words is "one billion, two hundred forty million, four hundred ten thousand, three hundred twenty-one".