788455121 has 8 divisors (see below), whose sum is σ = 840843360. Its totient is φ = 736734528.

The previous prime is 788455117. The next prime is 788455123. The reversal of 788455121 is 121554887.

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

It is a cyclic number.

It is not a de Polignac number, because 788455121 - 2² = 788455117 is a prime.

It is a super-2 number, since 2×788455121² = 1243322955662249282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (788455123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164471 + ... + 169196.

It is an arithmetic number, because the mean of its divisors is an integer number (105105420).

Almost surely, 2^788455121 is an apocalyptic number.

It is an amenable number.

788455121 is a deficient number, since it is larger than the sum of its proper divisors (52388239).

788455121 is a wasteful number, since it uses less digits than its factorization.

788455121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333823.

The product of its digits is 89600, while the sum is 41.

The square root of 788455121 is about 28079.4430322256. The cubic root of 788455121 is about 923.8305634515.

The spelling of 788455121 in words is "seven hundred eighty-eight million, four hundred fifty-five thousand, one hundred twenty-one".