1231426334 has 8 divisors (see below), whose sum is σ = 1852014360. Its totient is φ = 614088216.

The previous prime is 1231426321. The next prime is 1231426351. The reversal of 1231426334 is 4336241321.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1231426297 and 1231426306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811529 + ... + 813044.

It is an arithmetic number, because the mean of its divisors is an integer number (231501795).

Almost surely, 2^1231426334 is an apocalyptic number.

1231426334 is a deficient number, since it is larger than the sum of its proper divisors (620588026).

1231426334 is a wasteful number, since it uses less digits than its factorization.

1231426334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624954.

The product of its digits is 10368, while the sum is 29.

The square root of 1231426334 is about 35091.6846845517. The cubic root of 1231426334 is about 1071.8552650210.

Adding to 1231426334 its reverse (4336241321), we get a palindrome (5567667655).

The spelling of 1231426334 in words is "one billion, two hundred thirty-one million, four hundred twenty-six thousand, three hundred thirty-four".