1672320124 has 24 divisors (see below), whose sum is σ = 3149517168. Its totient is φ = 774071040.

The previous prime is 1672320121. The next prime is 1672320161. The reversal of 1672320124 is 4210232761.

It is a junction number, because it is equal to n+sod(n) for n = 1672320092 and 1672320101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672320121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197434 + ... + 205729.

It is an arithmetic number, because the mean of its divisors is an integer number (131229882).

Almost surely, 2^1672320124 is an apocalyptic number.

It is an amenable number.

1672320124 is a deficient number, since it is larger than the sum of its proper divisors (1477197044).

1672320124 is a wasteful number, since it uses less digits than its factorization.

1672320124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403245 (or 403243 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1672320124 is about 40894.0108573370. The cubic root of 1672320124 is about 1186.9701715301.

Adding to 1672320124 its reverse (4210232761), we get a palindrome (5882552885).

The spelling of 1672320124 in words is "one billion, six hundred seventy-two million, three hundred twenty thousand, one hundred twenty-four".