1111225452 has 12 divisors (see below), whose sum is σ = 2592859416. Its totient is φ = 370408480.

The previous prime is 1111225441. The next prime is 1111225499. The reversal of 1111225452 is 2545221111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46301049 + ... + 46301072.

It is an arithmetic number, because the mean of its divisors is an integer number (216071618).

Almost surely, 2^1111225452 is an apocalyptic number.

1111225452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111225452 is an abundant number, since it is smaller than the sum of its proper divisors (1481633964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111225452 is a wasteful number, since it uses less digits than its factorization.

1111225452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92602128 (or 92602126 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 1111225452 is about 33335.0484025447. The cubic root of 1111225452 is about 1035.7796958053.

Adding to 1111225452 its reverse (2545221111), we get a palindrome (3656446563).

The spelling of 1111225452 in words is "one billion, one hundred eleven million, two hundred twenty-five thousand, four hundred fifty-two".