1228437 has 48 divisors (see below), whose sum is σ = 2276352. Its totient is φ = 622080.

The previous prime is 1228429. The next prime is 1228441. The reversal of 1228437 is 7348221.

1228437 is a `hidden beast` number, since 1 + 228 + 437 = 666.

It is not a de Polignac number, because 1228437 - 2³ = 1228429 is a prime.

1228437 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1228437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33183 + ... + 33219.

It is an arithmetic number, because the mean of its divisors is an integer number (47424).

2^1228437 is an apocalyptic number.

1228437 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1228437 is a deficient number, since it is larger than the sum of its proper divisors (1047915).

1228437 is a wasteful number, since it uses less digits than its factorization.

1228437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 95 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1228437 is about 1108.3487718223. The cubic root of 1228437 is about 107.0987239188.

It can be divided in two parts, 12284 and 37, that added together give a palindrome (12321).

The spelling of 1228437 in words is "one million, two hundred twenty-eight thousand, four hundred thirty-seven".