1012121104 has 10 divisors (see below), whose sum is σ = 1960984670. Its totient is φ = 506060544.

The previous prime is 1012121081. The next prime is 1012121113. The reversal of 1012121104 is 4011212101.

1012121104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 862009600 + 150111504 = 29360^2 + 12252^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31628769 + ... + 31628800.

It is an arithmetic number, because the mean of its divisors is an integer number (196098467).

Almost surely, 2^1012121104 is an apocalyptic number.

It is an amenable number.

1012121104 is a deficient number, since it is larger than the sum of its proper divisors (948863566).

1012121104 is an equidigital number, since it uses as much as digits as its factorization.

1012121104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63257577 (or 63257571 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1012121104 is about 31813.8508200438. The cubic root of 1012121104 is about 1004.0241524747.

Adding to 1012121104 its reverse (4011212101), we get a palindrome (5023333205).

The spelling of 1012121104 in words is "one billion, twelve million, one hundred twenty-one thousand, one hundred four".