1228141 has 8 divisors (see below), whose sum is σ = 1328480. Its totient is φ = 1131408.

The previous prime is 1228133. The next prime is 1228147. The reversal of 1228141 is 1418221.

It is a happy number.

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 1228141 - 2³ = 1228133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (166060).

2^1228141 is an apocalyptic number.

It is an amenable number.

1228141 is a deficient number, since it is larger than the sum of its proper divisors (100339).

1228141 is a wasteful number, since it uses less digits than its factorization.

1228141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its digits is 128, while the sum is 19.

The square root of 1228141 is about 1108.2152318029. The cubic root of 1228141 is about 107.0901211798.

It can be divided in two parts, 1228 and 141, that added together give a square (1369 = 37²).

The spelling of 1228141 in words is "one million, two hundred twenty-eight thousand, one hundred forty-one".