153234121 has 4 divisors (see below), whose sum is σ = 153417600. Its totient is φ = 153050644.

The previous prime is 153234113. The next prime is 153234139. The reversal of 153234121 is 121432351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 153234121 - 2³ = 153234113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153234092 and 153234101.

It is not an unprimeable number, because it can be changed into a prime (153234421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90481 + ... + 92158.

It is an arithmetic number, because the mean of its divisors is an integer number (38354400).

Almost surely, 2^153234121 is an apocalyptic number.

It is an amenable number.

153234121 is a deficient number, since it is larger than the sum of its proper divisors (183479).

153234121 is an equidigital number, since it uses as much as digits as its factorization.

153234121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183478.

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

The square root of 153234121 is about 12378.7770397564. Note that the first 3 decimals coincide. The cubic root of 153234121 is about 535.1207937572.

Adding to 153234121 its reverse (121432351), we get a palindrome (274666472).

It can be divided in two parts, 1532 and 34121, that added together give a palindrome (35653).

The spelling of 153234121 in words is "one hundred fifty-three million, two hundred thirty-four thousand, one hundred twenty-one".