1234455401 has 2 divisors, whose sum is σ = 1234455402. Its totient is φ = 1234455400.

The previous prime is 1234455359. The next prime is 1234455427. The reversal of 1234455401 is 1045544321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1183704025 + 50751376 = 34405^2 + 7124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234455401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234455301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617227700 + 617227701.

It is an arithmetic number, because the mean of its divisors is an integer number (617227701).

Almost surely, 2^1234455401 is an apocalyptic number.

It is an amenable number.

1234455401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234455401 is an equidigital number, since it uses as much as digits as its factorization.

1234455401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1234455401 is about 35134.8175034395. The cubic root of 1234455401 is about 1072.7333965706.

Adding to 1234455401 its reverse (1045544321), we get a palindrome (2279999722).

The spelling of 1234455401 in words is "one billion, two hundred thirty-four million, four hundred fifty-five thousand, four hundred one".