1106421 has 8 divisors (see below), whose sum is σ = 1522944. Its totient is φ = 713760.

The previous prime is 1106419. The next prime is 1106423. The reversal of 1106421 is 1246011.

It is an interprime number because it is at equal distance from previous prime (1106419) and next prime (1106423).

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

It is not a de Polignac number, because 1106421 - 2¹ = 1106419 is a prime.

It is a super-3 number, since 3×1106421³ = 4063333653684769383, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1106421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106423) 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, 5856 + ... + 6041.

It is an arithmetic number, because the mean of its divisors is an integer number (190368).

2^1106421 is an apocalyptic number.

It is an amenable number.

1106421 is a deficient number, since it is larger than the sum of its proper divisors (416523).

1106421 is a wasteful number, since it uses less digits than its factorization.

1106421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1106421 is about 1051.8654856967. The cubic root of 1106421 is about 103.4284786752.

The spelling of 1106421 in words is "one million, one hundred six thousand, four hundred twenty-one".