1113021452 has 12 divisors (see below), whose sum is σ = 1953097440. Its totient is φ = 554993616.

The previous prime is 1113021443. The next prime is 1113021461. The reversal of 1113021452 is 2541203111.

It is an interprime number because it is at equal distance from previous prime (1113021443) and next prime (1113021461).

It is a super-2 number, since 2×1113021452² = 2477633505224376608, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 377627 + ... + 380562.

It is an arithmetic number, because the mean of its divisors is an integer number (162758120).

Almost surely, 2^1113021452 is an apocalyptic number.

It is an amenable number.

1113021452 is a deficient number, since it is larger than the sum of its proper divisors (840075988).

1113021452 is a wasteful number, since it uses less digits than its factorization.

1113021452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758560 (or 758558 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1113021452 is about 33361.9761405106. The cubic root of 1113021452 is about 1036.3374161203.

Adding to 1113021452 its reverse (2541203111), we get a palindrome (3654224563).

The spelling of 1113021452 in words is "one billion, one hundred thirteen million, twenty-one thousand, four hundred fifty-two".