1242514023 has 4 divisors (see below), whose sum is σ = 1656685368. Its totient is φ = 828342680.

The previous prime is 1242513997. The next prime is 1242514051. The reversal of 1242514023 is 3204152421.

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 1242514023 - 2¹² = 1242509927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242513984 and 1242514002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242513023) 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, 207085668 + ... + 207085673.

It is an arithmetic number, because the mean of its divisors is an integer number (414171342).

Almost surely, 2^1242514023 is an apocalyptic number.

1242514023 is a deficient number, since it is larger than the sum of its proper divisors (414171345).

1242514023 is an equidigital number, since it uses as much as digits as its factorization.

1242514023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414171344.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1242514023 is about 35249.3123762720. The cubic root of 1242514023 is about 1075.0626314329.

Adding to 1242514023 its reverse (3204152421), we get a palindrome (4446666444).

The spelling of 1242514023 in words is "one billion, two hundred forty-two million, five hundred fourteen thousand, twenty-three".