1042430401 has 2 divisors, whose sum is σ = 1042430402. Its totient is φ = 1042430400.

The previous prime is 1042430399. The next prime is 1042430423. The reversal of 1042430401 is 1040342401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 824838400 + 217592001 = 28720^2 + 14751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042430401 - 2¹ = 1042430399 is a prime.

It is a super-2 number, since 2×1042430401² = 2173322281858041602, which contains 22 as substring.

Together with 1042430399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1042430471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521215200 + 521215201.

It is an arithmetic number, because the mean of its divisors is an integer number (521215201).

Almost surely, 2^1042430401 is an apocalyptic number.

It is an amenable number.

1042430401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042430401 is an equidigital number, since it uses as much as digits as its factorization.

1042430401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1042430401 is about 32286.6907718955. The cubic root of 1042430401 is about 1013.9480153523.

Adding to 1042430401 its reverse (1040342401), we get a palindrome (2082772802).

The spelling of 1042430401 in words is "one billion, forty-two million, four hundred thirty thousand, four hundred one".