7800122 has 8 divisors (see below), whose sum is σ = 12763872. Its totient is φ = 3545500.

The previous prime is 7800119. The next prime is 7800137. The reversal of 7800122 is 2210087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7800094 and 7800103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177254 + ... + 177297.

It is an arithmetic number, because the mean of its divisors is an integer number (1595484).

Almost surely, 2^7800122 is an apocalyptic number.

7800122 is a deficient number, since it is larger than the sum of its proper divisors (4963750).

7800122 is a wasteful number, since it uses less digits than its factorization.

7800122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354564.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 7800122 is about 2792.8698501720. The cubic root of 7800122 is about 198.3202822348.

The spelling of 7800122 in words is "seven million, eight hundred thousand, one hundred twenty-two".