1235531055 has 16 divisors (see below), whose sum is σ = 2156563584. Its totient is φ = 599045280.

The previous prime is 1235531029. The next prime is 1235531113. The reversal of 1235531055 is 5501355321.

It is not a de Polignac number, because 1235531055 - 2¹³ = 1235522863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3743869 + ... + 3744198.

It is an arithmetic number, because the mean of its divisors is an integer number (134785224).

Almost surely, 2^1235531055 is an apocalyptic number.

1235531055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1235531055 is a deficient number, since it is larger than the sum of its proper divisors (921032529).

1235531055 is a wasteful number, since it uses less digits than its factorization.

1235531055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488086.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 1235531055 is about 35150.1216925347. The cubic root of 1235531055 is about 1073.0448847997.

Adding to 1235531055 its reverse (5501355321), we get a palindrome (6736886376).

The spelling of 1235531055 in words is "one billion, two hundred thirty-five million, five hundred thirty-one thousand, fifty-five".