1128241269 has 6 divisors (see below), whose sum is σ = 1629681846. Its totient is φ = 752160840.

The previous prime is 1128241253. The next prime is 1128241307. The reversal of 1128241269 is 9621428211.

It can be written as a sum of positive squares in only one way, i.e., 824436369 + 303804900 = 28713^2 + 17430^2 .

It is not a de Polignac number, because 1128241269 - 2⁴ = 1128241253 is a prime.

It is a super-2 number, since 2×1128241269² = 2545856722149460722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128241769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62680062 + ... + 62680079.

It is an arithmetic number, because the mean of its divisors is an integer number (271613641).

Almost surely, 2^1128241269 is an apocalyptic number.

It is an amenable number.

1128241269 is a deficient number, since it is larger than the sum of its proper divisors (501440577).

1128241269 is a wasteful number, since it uses less digits than its factorization.

1128241269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125360147 (or 125360144 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1128241269 is about 33589.3028954160. The cubic root of 1128241269 is about 1041.0397850956.

The spelling of 1128241269 in words is "one billion, one hundred twenty-eight million, two hundred forty-one thousand, two hundred sixty-nine".