1122688427 has 8 divisors (see below), whose sum is σ = 1295776992. Its totient is φ = 952776000.

The previous prime is 1122688367. The next prime is 1122688429. The reversal of 1122688427 is 7248862211.

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 1122688427 - 2²⁰ = 1121639851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122688429) 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, 793274 + ... + 794687.

It is an arithmetic number, because the mean of its divisors is an integer number (161972124).

Almost surely, 2^1122688427 is an apocalyptic number.

1122688427 is a deficient number, since it is larger than the sum of its proper divisors (173088565).

1122688427 is a wasteful number, since it uses less digits than its factorization.

1122688427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588069.

The product of its digits is 86016, while the sum is 41.

The square root of 1122688427 is about 33506.5430475900. The cubic root of 1122688427 is about 1039.3290874372.

The spelling of 1122688427 in words is "one billion, one hundred twenty-two million, six hundred eighty-eight thousand, four hundred twenty-seven".