1236130041 has 4 divisors (see below), whose sum is σ = 1648173392. Its totient is φ = 824086692.

The previous prime is 1236130013. The next prime is 1236130043. The reversal of 1236130041 is 1400316321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1236130041 - 2⁶ = 1236129977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1236130043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206021671 + ... + 206021676.

It is an arithmetic number, because the mean of its divisors is an integer number (412043348).

Almost surely, 2^1236130041 is an apocalyptic number.

It is an amenable number.

1236130041 is a deficient number, since it is larger than the sum of its proper divisors (412043351).

1236130041 is an equidigital number, since it uses as much as digits as its factorization.

1236130041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412043350.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1236130041 is about 35158.6410573560. The cubic root of 1236130041 is about 1073.2182609962.

Adding to 1236130041 its reverse (1400316321), we get a palindrome (2636446362).

The spelling of 1236130041 in words is "one billion, two hundred thirty-six million, one hundred thirty thousand, forty-one".