1243426058 has 24 divisors (see below), whose sum is σ = 2239645824. Its totient is φ = 515705400.

The previous prime is 1243426021. The next prime is 1243426073. The reversal of 1243426058 is 8506243421.

It is a super-2 number, since 2×1243426058² = 3092216723426838728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201608 + ... + 207683.

It is an arithmetic number, because the mean of its divisors is an integer number (93318576).

Almost surely, 2^1243426058 is an apocalyptic number.

1243426058 is a deficient number, since it is larger than the sum of its proper divisors (996219766).

1243426058 is a wasteful number, since it uses less digits than its factorization.

1243426058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409338 (or 409331 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 1243426058 is about 35262.2469221688. The cubic root of 1243426058 is about 1075.3256076582.

Adding to 1243426058 its reverse (8506243421), we get a palindrome (9749669479).

The spelling of 1243426058 in words is "one billion, two hundred forty-three million, four hundred twenty-six thousand, fifty-eight".