1004121102 has 16 divisors (see below), whose sum is σ = 2016059472. Its totient is φ = 333404160.

The previous prime is 1004121049. The next prime is 1004121103. The reversal of 1004121102 is 2011214001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324049 + ... + 327132.

It is an arithmetic number, because the mean of its divisors is an integer number (126003717).

Almost surely, 2^1004121102 is an apocalyptic number.

1004121102 is an abundant number, since it is smaller than the sum of its proper divisors (1011938370).

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

1004121102 is a wasteful number, since it uses less digits than its factorization.

1004121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651443.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1004121102 is about 31687.8699505031. The cubic root of 1004121102 is about 1001.3718179217.

Adding to 1004121102 its reverse (2011214001), we get a palindrome (3015335103).

The spelling of 1004121102 in words is "one billion, four million, one hundred twenty-one thousand, one hundred two".