1054511243 has 2 divisors, whose sum is σ = 1054511244. Its totient is φ = 1054511242.

The previous prime is 1054511233. The next prime is 1054511257. The reversal of 1054511243 is 3421154501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1054511243 - 2⁶ = 1054511179 is a prime.

It is a super-2 number, since 2×1054511243² = 2223987923226810098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1054511233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527255621 + 527255622.

It is an arithmetic number, because the mean of its divisors is an integer number (527255622).

Almost surely, 2^1054511243 is an apocalyptic number.

1054511243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054511243 is an equidigital number, since it uses as much as digits as its factorization.

1054511243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1054511243 is about 32473.2388744948. The cubic root of 1054511243 is about 1017.8498996441.

Adding to 1054511243 its reverse (3421154501), we get a palindrome (4475665744).

The spelling of 1054511243 in words is "one billion, fifty-four million, five hundred eleven thousand, two hundred forty-three".