1225153 has 2 divisors, whose sum is σ = 1225154. Its totient is φ = 1225152.

The previous prime is 1225129. The next prime is 1225157. The reversal of 1225153 is 3515221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 824464 + 400689 = 908^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225153 - 2¹³ = 1216961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1225153.

It is not a weakly prime, because it can be changed into another prime (1225157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612576 + 612577.

It is an arithmetic number, because the mean of its divisors is an integer number (612577).

2^1225153 is an apocalyptic number.

It is an amenable number.

1225153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225153 is an equidigital number, since it uses as much as digits as its factorization.

1225153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 19.

The square root of 1225153 is about 1106.8662972555. The cubic root of 1225153 is about 107.0032025128.

It can be divided in two parts, 1225 and 153, that added together give a triangular number (1378 = T₅₂).

The spelling of 1225153 in words is "one million, two hundred twenty-five thousand, one hundred fifty-three".