1234302121 has 16 divisors (see below), whose sum is σ = 1358069328. Its totient is φ = 1114848000.

The previous prime is 1234302071. The next prime is 1234302137. The reversal of 1234302121 is 1212034321.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7901721 + 1226400400 = 2811^2 + 35020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234302121 - 2¹⁹ = 1233777833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234302161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152271 + ... + 160171.

It is an arithmetic number, because the mean of its divisors is an integer number (84879333).

Almost surely, 2^1234302121 is an apocalyptic number.

It is an amenable number.

1234302121 is a deficient number, since it is larger than the sum of its proper divisors (123767207).

1234302121 is a wasteful number, since it uses less digits than its factorization.

1234302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1234302121 is about 35132.6361236956. The cubic root of 1234302121 is about 1072.6889949716.

Adding to 1234302121 its reverse (1212034321), we get a palindrome (2446336442).

The spelling of 1234302121 in words is "one billion, two hundred thirty-four million, three hundred two thousand, one hundred twenty-one".