1236422130 has 16 divisors (see below), whose sum is σ = 2967413184. Its totient is φ = 329712560.

The previous prime is 1236422111. The next prime is 1236422137. The reversal of 1236422130 is 312246321.

1236422130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1236422130.

It is not an unprimeable number, because it can be changed into a prime (1236422137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20607006 + ... + 20607065.

It is an arithmetic number, because the mean of its divisors is an integer number (185463324).

Almost surely, 2^1236422130 is an apocalyptic number.

1236422130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1236422130 is an abundant number, since it is smaller than the sum of its proper divisors (1730991054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1236422130 is a wasteful number, since it uses less digits than its factorization.

1236422130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41214081.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1236422130 is about 35162.7946841544. The cubic root of 1236422130 is about 1073.3027856958.

Adding to 1236422130 its reverse (312246321), we get a palindrome (1548668451).

The spelling of 1236422130 in words is "one billion, two hundred thirty-six million, four hundred twenty-two thousand, one hundred thirty".