1225527 has 8 divisors (see below), whose sum is σ = 1655040. Its totient is φ = 806520.

The previous prime is 1225517. The next prime is 1225529. The reversal of 1225527 is 7255221.

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

It is not a de Polignac number, because 1225527 - 2²⁰ = 176951 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1225497 and 1225506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225529) 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, 2349 + ... + 2822.

It is an arithmetic number, because the mean of its divisors is an integer number (206880).

2^1225527 is an apocalyptic number.

1225527 is a deficient number, since it is larger than the sum of its proper divisors (429513).

1225527 is an equidigital number, since it uses as much as digits as its factorization.

1225527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253.

The product of its digits is 1400, while the sum is 24.

The square root of 1225527 is about 1107.0352297917. The cubic root of 1225527 is about 107.0140896228.

The spelling of 1225527 in words is "one million, two hundred twenty-five thousand, five hundred twenty-seven".