1240421301 has 24 divisors (see below), whose sum is σ = 2095304640. Its totient is φ = 692326656.

The previous prime is 1240421267. The next prime is 1240421309. The reversal of 1240421301 is 1031240421.

1240421301 is a `hidden beast` number, since 1 + 240 + 421 + 3 + 0 + 1 = 666.

It is not a de Polignac number, because 1240421301 - 2⁹ = 1240420789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240421309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226236 + ... + 231653.

It is an arithmetic number, because the mean of its divisors is an integer number (87304360).

Almost surely, 2^1240421301 is an apocalyptic number.

It is an amenable number.

1240421301 is a deficient number, since it is larger than the sum of its proper divisors (854883339).

1240421301 is a wasteful number, since it uses less digits than its factorization.

1240421301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457945 (or 457942 counting only the distinct ones).

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

The square root of 1240421301 is about 35219.6152875070. The cubic root of 1240421301 is about 1074.4587290620.

Adding to 1240421301 its reverse (1031240421), we get a palindrome (2271661722).

The spelling of 1240421301 in words is "one billion, two hundred forty million, four hundred twenty-one thousand, three hundred one".