1121234554 has 8 divisors (see below), whose sum is σ = 1834747488. Its totient is φ = 509652060.

The previous prime is 1121234551. The next prime is 1121234561. The reversal of 1121234554 is 4554321211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1121234551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25482582 + ... + 25482625.

It is an arithmetic number, because the mean of its divisors is an integer number (229343436).

Almost surely, 2^1121234554 is an apocalyptic number.

1121234554 is a deficient number, since it is larger than the sum of its proper divisors (713512934).

1121234554 is a wasteful number, since it uses less digits than its factorization.

1121234554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50965220.

The product of its digits is 4800, while the sum is 28.

The square root of 1121234554 is about 33484.8406596179. The cubic root of 1121234554 is about 1038.8802525397.

Adding to 1121234554 its reverse (4554321211), we get a palindrome (5675555765).

The spelling of 1121234554 in words is "one billion, one hundred twenty-one million, two hundred thirty-four thousand, five hundred fifty-four".