1225546153 has 8 divisors (see below), whose sum is σ = 1355490248. Its totient is φ = 1100697984.

The previous prime is 1225546121. The next prime is 1225546159. The reversal of 1225546153 is 3516455221.

It can be written as a sum of positive squares in 4 ways, for example, as 440874009 + 784672144 = 20997^2 + 28012^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1225546153 - 2⁵ = 1225546121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225546159) 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, 1273476 + ... + 1274437.

It is an arithmetic number, because the mean of its divisors is an integer number (169436281).

Almost surely, 2^1225546153 is an apocalyptic number.

1225546153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1225546153 is a deficient number, since it is larger than the sum of its proper divisors (129944095).

1225546153 is a wasteful number, since it uses less digits than its factorization.

1225546153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547963.

The product of its digits is 36000, while the sum is 34.

The square root of 1225546153 is about 35007.8013162781. The cubic root of 1225546153 is about 1070.1464710543.

The spelling of 1225546153 in words is "one billion, two hundred twenty-five million, five hundred forty-six thousand, one hundred fifty-three".