1230142501 has 6 divisors (see below), whose sum is σ = 1430982150. Its totient is φ = 1054407816.

The previous prime is 1230142483. The next prime is 1230142549. The reversal of 1230142501 is 1052410321.

It can be written as a sum of positive squares in only one way, i.e., 1117230625 + 112911876 = 33425^2 + 10626^2 .

It is not a de Polignac number, because 1230142501 - 2⁵ = 1230142469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230142201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12552426 + ... + 12552523.

It is an arithmetic number, because the mean of its divisors is an integer number (238497025).

Almost surely, 2^1230142501 is an apocalyptic number.

It is an amenable number.

1230142501 is a deficient number, since it is larger than the sum of its proper divisors (200839649).

1230142501 is an equidigital number, since it uses as much as digits as its factorization.

1230142501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25104963 (or 25104956 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1230142501 is about 35073.3873613599. The cubic root of 1230142501 is about 1071.4826451803.

Adding to 1230142501 its reverse (1052410321), we get a palindrome (2282552822).

The spelling of 1230142501 in words is "one billion, two hundred thirty million, one hundred forty-two thousand, five hundred one".