1234245505 has 4 divisors (see below), whose sum is σ = 1481094612. Its totient is φ = 987396400.

The previous prime is 1234245497. The next prime is 1234245511. The reversal of 1234245505 is 5055424321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 392317249 + 841928256 = 19807^2 + 29016^2 .

It is not a de Polignac number, because 1234245505 - 2³ = 1234245497 is a prime.

It is a super-2 number, since 2×1234245505² = 3046723933225410050, which contains 22 as substring.

It is a Duffinian 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, 123424546 + ... + 123424555.

It is an arithmetic number, because the mean of its divisors is an integer number (370273653).

Almost surely, 2^1234245505 is an apocalyptic number.

It is an amenable number.

1234245505 is a deficient number, since it is larger than the sum of its proper divisors (246849107).

1234245505 is an equidigital number, since it uses as much as digits as its factorization.

1234245505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246849106.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1234245505 is about 35131.8303679156. The cubic root of 1234245505 is about 1072.6725937228.

Adding to 1234245505 its reverse (5055424321), we get a palindrome (6289669826).

The spelling of 1234245505 in words is "one billion, two hundred thirty-four million, two hundred forty-five thousand, five hundred five".