1236130416 has 80 divisors (see below), whose sum is σ = 3561041920. Its totient is φ = 410546880.

The previous prime is 1236130397. The next prime is 1236130421. The reversal of 1236130416 is 6140316321.

1236130416 is a `hidden beast` number, since 1 + 2 + 3 + 613 + 0 + 41 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1236130416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117201 + ... + 127311.

It is an arithmetic number, because the mean of its divisors is an integer number (44513024).

Almost surely, 2^1236130416 is an apocalyptic number.

1236130416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1236130416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780520960).

1236130416 is an abundant number, since it is smaller than the sum of its proper divisors (2324911504).

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

1236130416 is a wasteful number, since it uses less digits than its factorization.

1236130416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10411 (or 10399 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1236130416 is about 35158.6463903262. The cubic root of 1236130416 is about 1073.2183695222.

Adding to 1236130416 its reverse (6140316321), we get a palindrome (7376446737).

The spelling of 1236130416 in words is "one billion, two hundred thirty-six million, one hundred thirty thousand, four hundred sixteen".