415233121 has 2 divisors, whose sum is σ = 415233122. Its totient is φ = 415233120.

The previous prime is 415233113. The next prime is 415233139. The reversal of 415233121 is 121332514.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407030625 + 8202496 = 20175^2 + 2864^2 .

It is a cyclic number.

It is not a de Polignac number, because 415233121 - 2³ = 415233113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 415233092 and 415233101.

It is not a weakly prime, because it can be changed into another prime (415233521) 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 as a sum of consecutive naturals, namely, 207616560 + 207616561.

It is an arithmetic number, because the mean of its divisors is an integer number (207616561).

Almost surely, 2^415233121 is an apocalyptic number.

It is an amenable number.

415233121 is a deficient number, since it is larger than the sum of its proper divisors (1).

415233121 is an equidigital number, since it uses as much as digits as its factorization.

415233121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 415233121 is about 20377.2697140711. The cubic root of 415233121 is about 746.0432337475.

Adding to 415233121 its reverse (121332514), we get a palindrome (536565635).

It can be divided in two parts, 41523 and 3121, that added together give a palindrome (44644).

The spelling of 415233121 in words is "four hundred fifteen million, two hundred thirty-three thousand, one hundred twenty-one".