1234321051 has 4 divisors (see below), whose sum is σ = 1235952352. Its totient is φ = 1232689752.

The previous prime is 1234321027. The next prime is 1234321061. The reversal of 1234321051 is 1501234321.

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: 1501234321 = 4973 ⋅301877.

It is a cyclic number.

It is not a de Polignac number, because 1234321051 - 2¹¹ = 1234319003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234321021) 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, 814515 + ... + 816028.

It is an arithmetic number, because the mean of its divisors is an integer number (308988088).

Almost surely, 2^1234321051 is an apocalyptic number.

1234321051 is a deficient number, since it is larger than the sum of its proper divisors (1631301).

1234321051 is an equidigital number, since it uses as much as digits as its factorization.

1234321051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631300.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1234321051 is about 35132.9055302860. The cubic root of 1234321051 is about 1072.6944787449.

Adding to 1234321051 its reverse (1501234321), we get a palindrome (2735555372).

The spelling of 1234321051 in words is "one billion, two hundred thirty-four million, three hundred twenty-one thousand, fifty-one".