1121454552 has 32 divisors (see below), whose sum is σ = 2804544000. Its totient is φ = 373697184.

The previous prime is 1121454527. The next prime is 1121454553. The reversal of 1121454552 is 2554541211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121454553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98449 + ... + 109247.

It is an arithmetic number, because the mean of its divisors is an integer number (87642000).

Almost surely, 2^1121454552 is an apocalyptic number.

1121454552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121454552 is an abundant number, since it is smaller than the sum of its proper divisors (1683089448).

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

1121454552 is a wasteful number, since it uses less digits than its factorization.

1121454552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15135 (or 15131 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The square root of 1121454552 is about 33488.1255372707. The cubic root of 1121454552 is about 1038.9481945031.

Adding to 1121454552 its reverse (2554541211), we get a palindrome (3675995763).

The spelling of 1121454552 in words is "one billion, one hundred twenty-one million, four hundred fifty-four thousand, five hundred fifty-two".