1225042 has 32 divisors (see below), whose sum is σ = 2322432. Its totient is φ = 471744.

The previous prime is 1225019. The next prime is 1225061. The reversal of 1225042 is 2405221.

It is a Cunningham number, because it is equal to 107³-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9583 + ... + 9709.

It is an arithmetic number, because the mean of its divisors is an integer number (72576).

2^1225042 is an apocalyptic number.

1225042 is a deficient number, since it is larger than the sum of its proper divisors (1097390).

1225042 is a wasteful number, since it uses less digits than its factorization.

1225042 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 (nonzero) digits is 160, while the sum is 16.

The square root of 1225042 is about 1106.8161545623. The cubic root of 1225042 is about 106.9999708854. Note that the first 4 decimals are identical.

The spelling of 1225042 in words is "one million, two hundred twenty-five thousand, forty-two".