153124321 has 16 divisors (see below), whose sum is σ = 191687040. Its totient is φ = 119266560.

The previous prime is 153124303. The next prime is 153124327. The reversal of 153124321 is 123421351.

It is a happy number.

It is not a de Polignac number, because 153124321 - 2⁹ = 153123809 is a prime.

It is a super-2 number, since 2×153124321² = 46894115363422082, 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 = 153124292 and 153124301.

It is not an unprimeable number, because it can be changed into a prime (153124327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18735 + ... + 25636.

It is an arithmetic number, because the mean of its divisors is an integer number (11980440).

Almost surely, 2^153124321 is an apocalyptic number.

It is an amenable number.

153124321 is a deficient number, since it is larger than the sum of its proper divisors (38562719).

153124321 is a wasteful number, since it uses less digits than its factorization.

153124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44424.

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

The square root of 153124321 is about 12374.3412349911. The cubic root of 153124321 is about 534.9929495097.

Adding to 153124321 its reverse (123421351), we get a palindrome (276545672).

It can be divided in two parts, 1531 and 24321, that added together give a palindrome (25852).

The spelling of 153124321 in words is "one hundred fifty-three million, one hundred twenty-four thousand, three hundred twenty-one".