1242540414 has 24 divisors (see below), whose sum is σ = 2693747160. Its totient is φ = 413937648.

The previous prime is 1242540407. The next prime is 1242540443. The reversal of 1242540414 is 4140452421.

1242540414 is a `hidden beast` number, since 1 + 242 + 5 + 4 + 0 + 414 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12852 + ... + 51480.

It is an arithmetic number, because the mean of its divisors is an integer number (112239465).

Almost surely, 2^1242540414 is an apocalyptic number.

1242540414 is an abundant number, since it is smaller than the sum of its proper divisors (1451206746).

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

1242540414 is a wasteful number, since it uses less digits than its factorization.

1242540414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40424 (or 40421 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1242540414 is about 35249.6867220122. The cubic root of 1242540414 is about 1075.0702428231.

Adding to 1242540414 its reverse (4140452421), we get a palindrome (5382992835).

The spelling of 1242540414 in words is "one billion, two hundred forty-two million, five hundred forty thousand, four hundred fourteen".