453121015121 has 4 divisors (see below), whose sum is σ = 453184582500. Its totient is φ = 453057447744.

The previous prime is 453121015111. The next prime is 453121015141. The reversal of 453121015121 is 121510121354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220111105600 + 233009909521 = 469160^2 + 482711^2 .

It is a cyclic number.

It is not a de Polignac number, because 453121015121 - 2⁶ = 453121015057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453121015111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31772996 + ... + 31787253.

It is an arithmetic number, because the mean of its divisors is an integer number (113296145625).

Almost surely, 2^453121015121 is an apocalyptic number.

It is an amenable number.

453121015121 is a deficient number, since it is larger than the sum of its proper divisors (63567379).

453121015121 is an equidigital number, since it uses as much as digits as its factorization.

453121015121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63567378.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 453121015121 its reverse (121510121354), we get a palindrome (574631136475).

The spelling of 453121015121 in words is "four hundred fifty-three billion, one hundred twenty-one million, fifteen thousand, one hundred twenty-one".