1434240121 has 4 divisors (see below), whose sum is σ = 1440395892. Its totient is φ = 1428084352.

The previous prime is 1434240077. The next prime is 1434240127. The reversal of 1434240121 is 1210424341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1210424341 = 7 ⋅172917763.

It can be written as a sum of positive squares in 2 ways, for example, as 477204025 + 957036096 = 21845^2 + 30936^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434240121 - 2¹¹ = 1434238073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1434240092 and 1434240101.

It is not an unprimeable number, because it can be changed into a prime (1434240127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077536 + ... + 3078001.

It is an arithmetic number, because the mean of its divisors is an integer number (360098973).

Almost surely, 2^1434240121 is an apocalyptic number.

It is an amenable number.

1434240121 is a deficient number, since it is larger than the sum of its proper divisors (6155771).

1434240121 is an equidigital number, since it uses as much as digits as its factorization.

1434240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155770.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1434240121 is about 37871.3628088560. The cubic root of 1434240121 is about 1127.7355967082.

Adding to 1434240121 its reverse (1210424341), we get a palindrome (2644664462).

The spelling of 1434240121 in words is "one billion, four hundred thirty-four million, two hundred forty thousand, one hundred twenty-one".