1225434 has 32 divisors (see below), whose sum is σ = 2833920. Its totient is φ = 346032.

The previous prime is 1225409. The next prime is 1225459. The reversal of 1225434 is 4345221.

It is an interprime number because it is at equal distance from previous prime (1225409) and next prime (1225459).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1225434.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6757 + ... + 6935.

It is an arithmetic number, because the mean of its divisors is an integer number (88560).

2^1225434 is an apocalyptic number.

1225434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1225434 is an abundant number, since it is smaller than the sum of its proper divisors (1608486).

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

1225434 is a wasteful number, since it uses less digits than its factorization.

1225434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

The product of its digits is 960, while the sum is 21.

The square root of 1225434 is about 1106.9932249115. The cubic root of 1225434 is about 107.0113826072.

The spelling of 1225434 in words is "one million, two hundred twenty-five thousand, four hundred thirty-four".