1121672406 has 8 divisors (see below), whose sum is σ = 2243344824. Its totient is φ = 373890800.

The previous prime is 1121672399. The next prime is 1121672449. The reversal of 1121672406 is 6042761211.

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

1121672406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93472695 + ... + 93472706.

It is an arithmetic number, because the mean of its divisors is an integer number (280418103).

Almost surely, 2^1121672406 is an apocalyptic number.

1121672406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1121672406 is a wasteful number, since it uses less digits than its factorization.

1121672406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186945406.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1121672406 is about 33491.3780845160. The cubic root of 1121672406 is about 1039.0154655798.

The spelling of 1121672406 in words is "one billion, one hundred twenty-one million, six hundred seventy-two thousand, four hundred six".