1236065442 has 16 divisors (see below), whose sum is σ = 2503424640. Its totient is φ = 406806192.

The previous prime is 1236065429. The next prime is 1236065489. The reversal of 1236065442 is 2445606321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303393 + ... + 1304340.

It is an arithmetic number, because the mean of its divisors is an integer number (156464040).

Almost surely, 2^1236065442 is an apocalyptic number.

1236065442 is an abundant number, since it is smaller than the sum of its proper divisors (1267359198).

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

1236065442 is a wasteful number, since it uses less digits than its factorization.

1236065442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607817.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1236065442 is about 35157.7223665015. The cubic root of 1236065442 is about 1073.1995655429.

The spelling of 1236065442 in words is "one billion, two hundred thirty-six million, sixty-five thousand, four hundred forty-two".