1236064104 has 128 divisors (see below), whose sum is σ = 3756067200. Its totient is φ = 373524480.

The previous prime is 1236064043. The next prime is 1236064117. The reversal of 1236064104 is 4014606321.

1236064104 is a `hidden beast` number, since 12 + 3 + 6 + 0 + 641 + 0 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1598662 + ... + 1599434.

It is an arithmetic number, because the mean of its divisors is an integer number (29344275).

Almost surely, 2^1236064104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1236064104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878033600).

1236064104 is an abundant number, since it is smaller than the sum of its proper divisors (2520003096).

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

1236064104 is a wasteful number, since it uses less digits than its factorization.

1236064104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1236064104 is about 35157.7033379599. The cubic root of 1236064104 is about 1073.1991783084.

The spelling of 1236064104 in words is "one billion, two hundred thirty-six million, sixty-four thousand, one hundred four".