1125521054 has 32 divisors (see below), whose sum is σ = 2015815680. Its totient is φ = 460829952.

The previous prime is 1125521041. The next prime is 1125521083. The reversal of 1125521054 is 4501255211.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353582 + ... + 356750.

It is an arithmetic number, because the mean of its divisors is an integer number (62994240).

Almost surely, 2^1125521054 is an apocalyptic number.

1125521054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1125521054 is a deficient number, since it is larger than the sum of its proper divisors (890294626).

1125521054 is a wasteful number, since it uses less digits than its factorization.

1125521054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1125521054 is about 33548.7861777442. The cubic root of 1125521054 is about 1040.2024550385.

Adding to 1125521054 its reverse (4501255211), we get a palindrome (5626776265).

The spelling of 1125521054 in words is "one billion, one hundred twenty-five million, five hundred twenty-one thousand, fifty-four".