1225378 has 32 divisors (see below), whose sum is σ = 2344320. Its totient is φ = 466560.

The previous prime is 1225373. The next prime is 1225381. The reversal of 1225378 is 8735221.

It is not an unprimeable number, because it can be changed into a prime (1225373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11188 + ... + 11296.

It is an arithmetic number, because the mean of its divisors is an integer number (73260).

2^1225378 is an apocalyptic number.

1225378 is a deficient number, since it is larger than the sum of its proper divisors (1118942).

1225378 is a wasteful number, since it uses less digits than its factorization.

1225378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202.

The product of its digits is 3360, while the sum is 28.

The square root of 1225378 is about 1106.9679308815. The cubic root of 1225378 is about 107.0097525102.

The spelling of 1225378 in words is "one million, two hundred twenty-five thousand, three hundred seventy-eight".