1239653055 has 8 divisors (see below), whose sum is σ = 1983444912. Its totient is φ = 661148288.

The previous prime is 1239653033. The next prime is 1239653099. The reversal of 1239653055 is 5503569321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1239653055 - 2⁷ = 1239652927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41321754 + ... + 41321783.

It is an arithmetic number, because the mean of its divisors is an integer number (247930614).

Almost surely, 2^1239653055 is an apocalyptic number.

1239653055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1239653055 is a deficient number, since it is larger than the sum of its proper divisors (743791857).

1239653055 is an equidigital number, since it uses as much as digits as its factorization.

1239653055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82643545.

The product of its (nonzero) digits is 121500, while the sum is 39.

The square root of 1239653055 is about 35208.7070907183. The cubic root of 1239653055 is about 1074.2368638267.

The spelling of 1239653055 in words is "one billion, two hundred thirty-nine million, six hundred fifty-three thousand, fifty-five".