1042426426 has 8 divisors (see below), whose sum is σ = 1563861780. Its totient is φ = 521139168.

The previous prime is 1042426423. The next prime is 1042426453. The reversal of 1042426426 is 6246242401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1001785801 + 40640625 = 31651^2 + 6375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1042426423) 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, 17331 + ... + 48838.

Almost surely, 2^1042426426 is an apocalyptic number.

1042426426 is a deficient number, since it is larger than the sum of its proper divisors (521435354).

1042426426 is an equidigital number, since it uses as much as digits as its factorization.

1042426426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74048.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 1042426426 is about 32286.6292139641. The cubic root of 1042426426 is about 1013.9467265537.

Adding to 1042426426 its reverse (6246242401), we get a palindrome (7288668827).

The spelling of 1042426426 in words is "one billion, forty-two million, four hundred twenty-six thousand, four hundred twenty-six".