1055635243 has 16 divisors (see below), whose sum is σ = 1151920000. Its totient is φ = 961580160.

The previous prime is 1055635237. The next prime is 1055635283. The reversal of 1055635243 is 3425365501.

It is a cyclic number.

It is not a de Polignac number, because 1055635243 - 2⁵ = 1055635211 is a prime.

It is a super-2 number, since 2×1055635243² = 2228731532527338098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055635199 and 1055635208.

It is not an unprimeable number, because it can be changed into a prime (1055635283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382633 + ... + 385381.

It is an arithmetic number, because the mean of its divisors is an integer number (71995000).

Almost surely, 2^1055635243 is an apocalyptic number.

1055635243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1055635243 is a deficient number, since it is larger than the sum of its proper divisors (96284757).

1055635243 is a wasteful number, since it uses less digits than its factorization.

1055635243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 1055635243 is about 32490.5408234458. The cubic root of 1055635243 is about 1018.2114121619.

The spelling of 1055635243 in words is "one billion, fifty-five million, six hundred thirty-five thousand, two hundred forty-three".