1106780421 has 8 divisors (see below), whose sum is σ = 1488767040. Its totient is φ = 731323712.

The previous prime is 1106780417. The next prime is 1106780431. The reversal of 1106780421 is 1240876011.

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 1106780421 - 2² = 1106780417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106780431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632081 + ... + 1632758.

It is an arithmetic number, because the mean of its divisors is an integer number (186095880).

Almost surely, 2^1106780421 is an apocalyptic number.

It is an amenable number.

1106780421 is a deficient number, since it is larger than the sum of its proper divisors (381986619).

1106780421 is a wasteful number, since it uses less digits than its factorization.

1106780421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264955.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1106780421 is about 33268.3095603008. The cubic root of 1106780421 is about 1034.3967704743.

The spelling of 1106780421 in words is "one billion, one hundred six million, seven hundred eighty thousand, four hundred twenty-one".