1225275 has 36 divisors (see below), whose sum is σ = 2216376. Its totient is φ = 595200.

The previous prime is 1225261. The next prime is 1225283. The reversal of 1225275 is 5725221.

It is not a de Polignac number, because 1225275 - 2⁸ = 1225019 is a prime.

Its product of digits (1400) is a multiple of the sum of its prime divisors (56).

1225275 is a lucky number.

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 35 ways as a sum of consecutive naturals, for example, 39510 + ... + 39540.

It is an arithmetic number, because the mean of its divisors is an integer number (61566).

2^1225275 is an apocalyptic number.

1225275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1225275 is a deficient number, since it is larger than the sum of its proper divisors (991101).

1225275 is a wasteful number, since it uses less digits than its factorization.

1225275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 56 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 1225275 is about 1106.9214064241. The cubic root of 1225275 is about 107.0067541665.

The spelling of 1225275 in words is "one million, two hundred twenty-five thousand, two hundred seventy-five".