1234242555 has 32 divisors (see below), whose sum is σ = 2430511104. Its totient is φ = 520822656.

The previous prime is 1234242553. The next prime is 1234242589. The reversal of 1234242555 is 5552424321.

It is a happy number.

1234242555 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1234242555 - 2¹ = 1234242553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1234242553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450739 + ... + 453468.

It is an arithmetic number, because the mean of its divisors is an integer number (75953472).

Almost surely, 2^1234242555 is an apocalyptic number.

1234242555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1234242555 is a deficient number, since it is larger than the sum of its proper divisors (1196268549).

1234242555 is a wasteful number, since it uses less digits than its factorization.

1234242555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904235.

The product of its digits is 48000, while the sum is 33.

The square root of 1234242555 is about 35131.7883831723. The cubic root of 1234242555 is about 1072.6717391152.

Adding to 1234242555 its reverse (5552424321), we get a palindrome (6786666876).

The spelling of 1234242555 in words is "one billion, two hundred thirty-four million, two hundred forty-two thousand, five hundred fifty-five".