1111123252 has 6 divisors (see below), whose sum is σ = 1944465698. Its totient is φ = 555561624.

The previous prime is 1111123201. The next prime is 1111123271. The reversal of 1111123252 is 2523211111.

It can be written as a sum of positive squares in only one way, i.e., 600544036 + 510579216 = 24506^2 + 22596^2 .

It is a super-2 number, since 2×1111123252² = 2469189762270111008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 138890403 + ... + 138890410.

Almost surely, 2^1111123252 is an apocalyptic number.

It is an amenable number.

1111123252 is a deficient number, since it is larger than the sum of its proper divisors (833342446).

1111123252 is a wasteful number, since it uses less digits than its factorization.

1111123252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277780817 (or 277780815 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 1111123252 is about 33333.5154461692. The cubic root of 1111123252 is about 1035.7479410940.

Adding to 1111123252 its reverse (2523211111), we get a palindrome (3634334363).

The spelling of 1111123252 in words is "one billion, one hundred eleven million, one hundred twenty-three thousand, two hundred fifty-two".