1242116502 has 16 divisors (see below), whose sum is σ = 2710072512. Its totient is φ = 376398920.

The previous prime is 1242116479. The next prime is 1242116521. The reversal of 1242116502 is 2056112421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9409908 + ... + 9410039.

It is an arithmetic number, because the mean of its divisors is an integer number (169379532).

Almost surely, 2^1242116502 is an apocalyptic number.

1242116502 is an abundant number, since it is smaller than the sum of its proper divisors (1467956010).

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

1242116502 is a wasteful number, since it uses less digits than its factorization.

1242116502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18819963.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1242116502 is about 35243.6732194588. The cubic root of 1242116502 is about 1074.9479699354.

Adding to 1242116502 its reverse (2056112421), we get a palindrome (3298228923).

The spelling of 1242116502 in words is "one billion, two hundred forty-two million, one hundred sixteen thousand, five hundred two".