1225973 has 8 divisors (see below), whose sum is σ = 1434048. Its totient is φ = 1026144.

The previous prime is 1225963. The next prime is 1225981. The reversal of 1225973 is 3795221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1225973 - 2⁶ = 1225909 is a prime.

It is a d-powerful number, because it can be written as 1 + 2⁶ + 2²⁰ + 5⁴ + 9 + 7⁶ + 3¹⁰ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736 + ... + 2337.

It is an arithmetic number, because the mean of its divisors is an integer number (179256).

2^1225973 is an apocalyptic number.

It is an amenable number.

1225973 is a deficient number, since it is larger than the sum of its proper divisors (208075).

1225973 is an equidigital number, since it uses as much as digits as its factorization.

1225973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123.

The product of its digits is 3780, while the sum is 29.

The square root of 1225973 is about 1107.2366504050. The cubic root of 1225973 is about 107.0270697517.

The spelling of 1225973 in words is "one million, two hundred twenty-five thousand, nine hundred seventy-three".