1121517452 has 48 divisors (see below), whose sum is σ = 2183860224. Its totient is φ = 499656000.

The previous prime is 1121517451. The next prime is 1121517461. The reversal of 1121517452 is 2547151211.

It is not an unprimeable number, because it can be changed into a prime (1121517451) 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 15 ways as a sum of consecutive naturals, for example, 1027427 + ... + 1028517.

It is an arithmetic number, because the mean of its divisors is an integer number (45497088).

Almost surely, 2^1121517452 is an apocalyptic number.

It is an amenable number.

1121517452 is a deficient number, since it is larger than the sum of its proper divisors (1062342772).

1121517452 is a wasteful number, since it uses less digits than its factorization.

1121517452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1548 counting only the distinct ones).

The product of its digits is 2800, while the sum is 29.

The square root of 1121517452 is about 33489.0646629613. The cubic root of 1121517452 is about 1038.9676182713.

Adding to 1121517452 its reverse (2547151211), we get a palindrome (3668668663).

The spelling of 1121517452 in words is "one billion, one hundred twenty-one million, five hundred seventeen thousand, four hundred fifty-two".