1202126122 has 8 divisors (see below), whose sum is σ = 1861356672. Its totient is φ = 581673900.

The previous prime is 1202126099. The next prime is 1202126147. The reversal of 1202126122 is 2216212021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1202126122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9694504 + ... + 9694627.

It is an arithmetic number, because the mean of its divisors is an integer number (232669584).

Almost surely, 2^1202126122 is an apocalyptic number.

1202126122 is a deficient number, since it is larger than the sum of its proper divisors (659230550).

1202126122 is a wasteful number, since it uses less digits than its factorization.

1202126122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19389164.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1202126122 is about 34671.6904981571. The cubic root of 1202126122 is about 1063.2857938301.

Adding to 1202126122 its reverse (2216212021), we get a palindrome (3418338143).

The spelling of 1202126122 in words is "one billion, two hundred two million, one hundred twenty-six thousand, one hundred twenty-two".