1234555485 has 16 divisors (see below), whose sum is σ = 1977229440. Its totient is φ = 657782720.

The previous prime is 1234555459. The next prime is 1234555489. The reversal of 1234555485 is 5845554321.

It is not a de Polignac number, because 1234555485 - 2⁹ = 1234554973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234555489) 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, 24450 + ... + 55379.

It is an arithmetic number, because the mean of its divisors is an integer number (123576840).

Almost surely, 2^1234555485 is an apocalyptic number.

1234555485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1234555485 is a deficient number, since it is larger than the sum of its proper divisors (742673955).

1234555485 is a wasteful number, since it uses less digits than its factorization.

1234555485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80868.

The product of its digits is 480000, while the sum is 42.

The square root of 1234555485 is about 35136.2417597557. The cubic root of 1234555485 is about 1072.7623865603.

The spelling of 1234555485 in words is "one billion, two hundred thirty-four million, five hundred fifty-five thousand, four hundred eighty-five".