1225461 has 8 divisors (see below), whose sum is σ = 1686784. Its totient is φ = 790560.

The previous prime is 1225459. The next prime is 1225493. The reversal of 1225461 is 1645221.

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

It is not a de Polignac number, because 1225461 - 2¹ = 1225459 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

1225461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225061) 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, 6496 + ... + 6681.

It is an arithmetic number, because the mean of its divisors is an integer number (210848).

2^1225461 is an apocalyptic number.

It is an amenable number.

1225461 is a deficient number, since it is larger than the sum of its proper divisors (461323).

1225461 is a wasteful number, since it uses less digits than its factorization.

1225461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13211.

The product of its digits is 480, while the sum is 21.

The square root of 1225461 is about 1107.0054200409. The cubic root of 1225461 is about 107.0121685290.

The spelling of 1225461 in words is "one million, two hundred twenty-five thousand, four hundred sixty-one".