153441121 has 4 divisors (see below), whose sum is σ = 154289044. Its totient is φ = 152593200.

The previous prime is 153441077. The next prime is 153441149. The reversal of 153441121 is 121144351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121144351 = 761 ⋅159191.

It can be written as a sum of positive squares in 2 ways, for example, as 43086096 + 110355025 = 6564^2 + 10505^2 .

It is a cyclic number.

It is not a de Polignac number, because 153441121 - 2⁷ = 153440993 is a prime.

It is a super-2 number, since 2×153441121² = 47088355227473282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153441092 and 153441101.

It is not an unprimeable number, because it can be changed into a prime (153441151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423690 + ... + 424051.

It is an arithmetic number, because the mean of its divisors is an integer number (38572261).

Almost surely, 2^153441121 is an apocalyptic number.

It is an amenable number.

153441121 is a deficient number, since it is larger than the sum of its proper divisors (847923).

153441121 is an equidigital number, since it uses as much as digits as its factorization.

153441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847922.

The product of its digits is 480, while the sum is 22.

The square root of 153441121 is about 12387.1353024014. The cubic root of 153441121 is about 535.3616456036.

Adding to 153441121 its reverse (121144351), we get a palindrome (274585472).

The spelling of 153441121 in words is "one hundred fifty-three million, four hundred forty-one thousand, one hundred twenty-one".