1242524214779 has 4 divisors (see below), whose sum is σ = 1242586985160. Its totient is φ = 1242461444400.

The previous prime is 1242524214751. The next prime is 1242524214797. The reversal of 1242524214779 is 9774124252421.

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

It is a cyclic number.

It is not a de Polignac number, because 1242524214779 - 2³² = 1238229247483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242524214179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31355489 + ... + 31395090.

It is an arithmetic number, because the mean of its divisors is an integer number (310646746290).

Almost surely, 2^{1242524214779} is an apocalyptic number.

1242524214779 is a deficient number, since it is larger than the sum of its proper divisors (62770381).

1242524214779 is an equidigital number, since it uses as much as digits as its factorization.

1242524214779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62770380.

The product of its digits is 2257920, while the sum is 50.

The spelling of 1242524214779 in words is "one trillion, two hundred forty-two billion, five hundred twenty-four million, two hundred fourteen thousand, seven hundred seventy-nine".