1602121101 has 64 divisors (see below), whose sum is σ = 2572492800. Its totient is φ = 886092480.

The previous prime is 1602121099. The next prime is 1602121111. The reversal of 1602121101 is 1011212061.

It is a happy number.

It is not a de Polignac number, because 1602121101 - 2¹ = 1602121099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602121111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7592886 + ... + 7593096.

It is an arithmetic number, because the mean of its divisors is an integer number (40195200).

Almost surely, 2^1602121101 is an apocalyptic number.

It is an amenable number.

1602121101 is a deficient number, since it is larger than the sum of its proper divisors (970371699).

1602121101 is a wasteful number, since it uses less digits than its factorization.

1602121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1602121101 is about 40026.5049810747. The cubic root of 1602121101 is about 1170.1237118073.

Adding to 1602121101 its reverse (1011212061), we get a palindrome (2613333162).

The spelling of 1602121101 in words is "one billion, six hundred two million, one hundred twenty-one thousand, one hundred one".