1242040414 has 4 divisors (see below), whose sum is σ = 1863060624. Its totient is φ = 621020206.

The previous prime is 1242040403. The next prime is 1242040421. The reversal of 1242040414 is 4140402421.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310510102 + ... + 310510105.

It is an arithmetic number, because the mean of its divisors is an integer number (465765156).

Almost surely, 2^1242040414 is an apocalyptic number.

1242040414 is a deficient number, since it is larger than the sum of its proper divisors (621020210).

1242040414 is an equidigital number, since it uses as much as digits as its factorization.

1242040414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621020209.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1242040414 is about 35242.5937467718. The cubic root of 1242040414 is about 1074.9260202199.

Adding to 1242040414 its reverse (4140402421), we get a palindrome (5382442835).

The spelling of 1242040414 in words is "one billion, two hundred forty-two million, forty thousand, four hundred fourteen".