1242022102 has 8 divisors (see below), whose sum is σ = 1908473112. Its totient is φ = 605864400.

The previous prime is 1242022097. The next prime is 1242022123. The reversal of 1242022102 is 2012202421.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7573224 + ... + 7573387.

It is an arithmetic number, because the mean of its divisors is an integer number (238559139).

Almost surely, 2^1242022102 is an apocalyptic number.

1242022102 is a deficient number, since it is larger than the sum of its proper divisors (666451010).

1242022102 is a wasteful number, since it uses less digits than its factorization.

1242022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15146654.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1242022102 is about 35242.3339465479. Note that the first 3 decimals coincide. The cubic root of 1242022102 is about 1074.9207374766.

Adding to 1242022102 its reverse (2012202421), we get a palindrome (3254224523).

The spelling of 1242022102 in words is "one billion, two hundred forty-two million, twenty-two thousand, one hundred two".