1242134058 has 16 divisors (see below), whose sum is σ = 2710110816. Its totient is φ = 376404240.

The previous prime is 1242134051. The next prime is 1242134083. The reversal of 1242134058 is 8504312421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1242134051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9410041 + ... + 9410172.

It is an arithmetic number, because the mean of its divisors is an integer number (169381926).

Almost surely, 2^1242134058 is an apocalyptic number.

1242134058 is an abundant number, since it is smaller than the sum of its proper divisors (1467976758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242134058 is a wasteful number, since it uses less digits than its factorization.

1242134058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18820229.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1242134058 is about 35243.9222845585. The cubic root of 1242134058 is about 1074.9530343282.

Adding to 1242134058 its reverse (8504312421), we get a palindrome (9746446479).

It can be divided in two parts, 124213 and 4058, that added together give a triangular number (128271 = T₅₀₆).

The spelling of 1242134058 in words is "one billion, two hundred forty-two million, one hundred thirty-four thousand, fifty-eight".