1225546534 has 16 divisors (see below), whose sum is σ = 1859106816. Its totient is φ = 605883400.

The previous prime is 1225546501. The next prime is 1225546537. The reversal of 1225546534 is 4356455221.

It is a junction number, because it is equal to n+sod(n) for n = 1225546493 and 1225546502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225546537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54189 + ... + 73399.

It is an arithmetic number, because the mean of its divisors is an integer number (116194176).

Almost surely, 2^1225546534 is an apocalyptic number.

1225546534 is a deficient number, since it is larger than the sum of its proper divisors (633560282).

1225546534 is a wasteful number, since it uses less digits than its factorization.

1225546534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19571.

The product of its digits is 144000, while the sum is 37.

The square root of 1225546534 is about 35007.8067579219. The cubic root of 1225546534 is about 1070.1465819507.

The spelling of 1225546534 in words is "one billion, two hundred twenty-five million, five hundred forty-six thousand, five hundred thirty-four".