1244121134 has 4 divisors (see below), whose sum is σ = 1866181704. Its totient is φ = 622060566.

The previous prime is 1244121119. The next prime is 1244121167. The reversal of 1244121134 is 4311214421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4311214421 = 36037 ⋅119633.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311030282 + ... + 311030285.

It is an arithmetic number, because the mean of its divisors is an integer number (466545426).

Almost surely, 2^1244121134 is an apocalyptic number.

1244121134 is a deficient number, since it is larger than the sum of its proper divisors (622060570).

1244121134 is an equidigital number, since it uses as much as digits as its factorization.

1244121134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622060569.

The product of its digits is 768, while the sum is 23.

The square root of 1244121134 is about 35272.1013550370. The cubic root of 1244121134 is about 1075.5259395794.

Adding to 1244121134 its reverse (4311214421), we get a palindrome (5555335555).

The spelling of 1244121134 in words is "one billion, two hundred forty-four million, one hundred twenty-one thousand, one hundred thirty-four".