1134234421 has 4 divisors (see below), whose sum is σ = 1134323244. Its totient is φ = 1134145600.

The previous prime is 1134234403. The next prime is 1134234463. The reversal of 1134234421 is 1244324311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 597802500 + 536431921 = 24450^2 + 23161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134234421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134264421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21220 + ... + 52141.

It is an arithmetic number, because the mean of its divisors is an integer number (283580811).

Almost surely, 2^1134234421 is an apocalyptic number.

It is an amenable number.

1134234421 is a deficient number, since it is larger than the sum of its proper divisors (88823).

1134234421 is an equidigital number, since it uses as much as digits as its factorization.

1134234421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88822.

The product of its digits is 2304, while the sum is 25.

The square root of 1134234421 is about 33678.3969481922. The cubic root of 1134234421 is about 1042.8798450973.

Adding to 1134234421 its reverse (1244324311), we get a palindrome (2378558732).

The spelling of 1134234421 in words is "one billion, one hundred thirty-four million, two hundred thirty-four thousand, four hundred twenty-one".