1230242501 has 4 divisors (see below), whose sum is σ = 1247095212. Its totient is φ = 1213389792.

The previous prime is 1230242479. The next prime is 1230242509. The reversal of 1230242501 is 1052420321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1052420321 = 151 ⋅6969671.

It can be written as a sum of positive squares in 2 ways, for example, as 847101025 + 383141476 = 29105^2 + 19574^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230242501 - 2¹⁰ = 1230241477 is a prime.

It is a super-2 number, since 2×1230242501² = 3026993222533470002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230242509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8426246 + ... + 8426391.

It is an arithmetic number, because the mean of its divisors is an integer number (311773803).

Almost surely, 2^1230242501 is an apocalyptic number.

It is an amenable number.

1230242501 is a deficient number, since it is larger than the sum of its proper divisors (16852711).

1230242501 is an equidigital number, since it uses as much as digits as its factorization.

1230242501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16852710.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1230242501 is about 35074.8129146828. The cubic root of 1230242501 is about 1071.5116785000.

Adding to 1230242501 its reverse (1052420321), we get a palindrome (2282662822).

The spelling of 1230242501 in words is "one billion, two hundred thirty million, two hundred forty-two thousand, five hundred one".