1225070 has 64 divisors (see below), whose sum is σ = 2889216. Its totient is φ = 362880.

The previous prime is 1225067. The next prime is 1225073. The reversal of 1225070 is 705221.

It is an interprime number because it is at equal distance from previous prime (1225067) and next prime (1225073).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225073) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 28469 + ... + 28511.

It is an arithmetic number, because the mean of its divisors is an integer number (45144).

2^1225070 is an apocalyptic number.

1225070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225070 is an abundant number, since it is smaller than the sum of its proper divisors (1664146).

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

1225070 is a wasteful number, since it uses less digits than its factorization.

1225070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1225070 is about 1106.8288033838. The cubic root of 1225070 is about 107.0007860891. Note that the first 3 decimals are identical.

The spelling of 1225070 in words is "one million, two hundred twenty-five thousand, seventy".