80122730 has 16 divisors (see below), whose sum is σ = 144444384. Its totient is φ = 31999440.

The previous prime is 80122709. The next prime is 80122747. The reversal of 80122730 is 3722108.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80122696 and 80122705.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 965 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (9027774).

Almost surely, 2^80122730 is an apocalyptic number.

80122730 is a deficient number, since it is larger than the sum of its proper divisors (64321654).

80122730 is a wasteful number, since it uses less digits than its factorization.

80122730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12421.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 80122730 is about 8951.1300962504. The cubic root of 80122730 is about 431.1071702314.

Adding to 80122730 its reverse (3722108), we get a palindrome (83844838).

The spelling of 80122730 in words is "eighty million, one hundred twenty-two thousand, seven hundred thirty".