1242503053 has 8 divisors (see below), whose sum is σ = 1374549696. Its totient is φ = 1113638400.

The previous prime is 1242503029. The next prime is 1242503077. The reversal of 1242503053 is 3503052421.

It is an interprime number because it is at equal distance from previous prime (1242503029) and next prime (1242503077).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242503053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242501053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794676 + ... + 796237.

It is an arithmetic number, because the mean of its divisors is an integer number (171818712).

Almost surely, 2^1242503053 is an apocalyptic number.

It is an amenable number.

1242503053 is a deficient number, since it is larger than the sum of its proper divisors (132046643).

1242503053 is a wasteful number, since it uses less digits than its factorization.

1242503053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590995.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1242503053 is about 35249.1567700562. The cubic root of 1242503053 is about 1075.0594675594.

Adding to 1242503053 its reverse (3503052421), we get a palindrome (4745555474).

The spelling of 1242503053 in words is "one billion, two hundred forty-two million, five hundred three thousand, fifty-three".