1229153 has 4 divisors (see below), whose sum is σ = 1237140. Its totient is φ = 1221168.

The previous prime is 1229149. The next prime is 1229159. The reversal of 1229153 is 3519221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3519221 = 17 ⋅207013.

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 976144 = 503^2 + 988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1229153 - 2² = 1229149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1229159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3758 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (309285).

2^1229153 is an apocalyptic number.

It is an amenable number.

1229153 is a deficient number, since it is larger than the sum of its proper divisors (7987).

1229153 is an equidigital number, since it uses as much as digits as its factorization.

1229153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7986.

The product of its digits is 540, while the sum is 23.

The square root of 1229153 is about 1108.6717277896. The cubic root of 1229153 is about 107.1195275343.

The spelling of 1229153 in words is "one million, two hundred twenty-nine thousand, one hundred fifty-three".