1054121103 has 24 divisors (see below), whose sum is σ = 1741753728. Its totient is φ = 601795152.

The previous prime is 1054121077. The next prime is 1054121113. The reversal of 1054121103 is 3011214501.

1054121103 is a `hidden beast` number, since 1 + 0 + 541 + 21 + 103 = 666.

It is not a de Polignac number, because 1054121103 - 2⁵ = 1054121071 is a prime.

It is a super-2 number, since 2×1054121103² = 2222342599579873218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054121113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66076 + ... + 80462.

It is an arithmetic number, because the mean of its divisors is an integer number (72573072).

Almost surely, 2^1054121103 is an apocalyptic number.

1054121103 is a deficient number, since it is larger than the sum of its proper divisors (687632625).

1054121103 is a wasteful number, since it uses less digits than its factorization.

1054121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15563 (or 15560 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1054121103 is about 32467.2312185687. The cubic root of 1054121103 is about 1017.7243587217.

Adding to 1054121103 its reverse (3011214501), we get a palindrome (4065335604).

The spelling of 1054121103 in words is "one billion, fifty-four million, one hundred twenty-one thousand, one hundred three".