1238285055 has 64 divisors (see below), whose sum is σ = 2324994048. Its totient is φ = 551093760.

The previous prime is 1238285053. The next prime is 1238285093. The reversal of 1238285055 is 5505828321.

It is not a de Polignac number, because 1238285055 - 2¹ = 1238285053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238285053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 658777 + ... + 660653.

It is an arithmetic number, because the mean of its divisors is an integer number (36328032).

Almost surely, 2^1238285055 is an apocalyptic number.

1238285055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1238285055 is a deficient number, since it is larger than the sum of its proper divisors (1086708993).

1238285055 is a wasteful number, since it uses less digits than its factorization.

1238285055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 1238285055 is about 35189.2747154584. The cubic root of 1238285055 is about 1073.8415658778.

The spelling of 1238285055 in words is "one billion, two hundred thirty-eight million, two hundred eighty-five thousand, fifty-five".