1225876 has 12 divisors (see below), whose sum is σ = 2161908. Its totient is φ = 608192.

The previous prime is 1225871. The next prime is 1225879. The reversal of 1225876 is 6785221.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 372100 = 924^2 + 610^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571 + ... + 1666.

It is an arithmetic number, because the mean of its divisors is an integer number (180159).

2^1225876 is an apocalyptic number.

It is an amenable number.

1225876 is a deficient number, since it is larger than the sum of its proper divisors (936032).

1225876 is a wasteful number, since it uses less digits than its factorization.

1225876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378 (or 2376 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 1225876 is about 1107.1928467977. The cubic root of 1225876 is about 107.0242469871.

The spelling of 1225876 in words is "one million, two hundred twenty-five thousand, eight hundred seventy-six".