724076121 has 16 divisors (see below), whose sum is σ = 1024627968. Its totient is φ = 453254400.

The previous prime is 724076107. The next prime is 724076141. The reversal of 724076121 is 121670427.

It is not a de Polignac number, because 724076121 - 2¹⁹ = 723551833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (724076141) 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, 5511 + ... + 38451.

It is an arithmetic number, because the mean of its divisors is an integer number (64039248).

Almost surely, 2^724076121 is an apocalyptic number.

It is an amenable number.

724076121 is a deficient number, since it is larger than the sum of its proper divisors (300551847).

724076121 is a wasteful number, since it uses less digits than its factorization.

724076121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33392.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 724076121 is about 26908.6625643119. The cubic root of 724076121 is about 897.9691331034.

The spelling of 724076121 in words is "seven hundred twenty-four million, seventy-six thousand, one hundred twenty-one".