1121042054 has 16 divisors (see below), whose sum is σ = 1839986496. Its totient is φ = 508021800.

The previous prime is 1121042051. The next prime is 1121042071. The reversal of 1121042054 is 4502401211.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121042051) 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, 69692 + ... + 84255.

It is an arithmetic number, because the mean of its divisors is an integer number (114999156).

Almost surely, 2^1121042054 is an apocalyptic number.

1121042054 is a deficient number, since it is larger than the sum of its proper divisors (718944442).

1121042054 is a wasteful number, since it uses less digits than its factorization.

1121042054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154291.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1121042054 is about 33481.9661011715. The cubic root of 1121042054 is about 1038.8207954904.

Adding to 1121042054 its reverse (4502401211), we get a palindrome (5623443265).

The spelling of 1121042054 in words is "one billion, one hundred twenty-one million, forty-two thousand, fifty-four".