307018122 has 32 divisors (see below), whose sum is σ = 642152448. Its totient is φ = 97673136.

The previous prime is 307018087. The next prime is 307018133. The reversal of 307018122 is 221810703.

It is a junction number, because it is equal to n+sod(n) for n = 307018092 and 307018101.

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 15 ways as a sum of consecutive naturals, for example, 67203 + ... + 71625.

It is an arithmetic number, because the mean of its divisors is an integer number (20067264).

Almost surely, 2^307018122 is an apocalyptic number.

307018122 is an abundant number, since it is smaller than the sum of its proper divisors (335134326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307018122 is a wasteful number, since it uses less digits than its factorization.

307018122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 307018122 is about 17521.9325988887. The cubic root of 307018122 is about 674.6129446284.

Adding to 307018122 its reverse (221810703), we get a palindrome (528828825).

The spelling of 307018122 in words is "three hundred seven million, eighteen thousand, one hundred twenty-two".