1147620255 has 8 divisors (see below), whose sum is σ = 1836192432. Its totient is φ = 612064128.

The previous prime is 1147620223. The next prime is 1147620263. The reversal of 1147620255 is 5520267411.

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

It is not a de Polignac number, because 1147620255 - 2⁵ = 1147620223 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38253994 + ... + 38254023.

It is an arithmetic number, because the mean of its divisors is an integer number (229524054).

Almost surely, 2^1147620255 is an apocalyptic number.

1147620255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1147620255 is a deficient number, since it is larger than the sum of its proper divisors (688572177).

1147620255 is an equidigital number, since it uses as much as digits as its factorization.

1147620255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76508025.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1147620255 is about 33876.5443190418. The cubic root of 1147620255 is about 1046.9663775944.

Adding to 1147620255 its reverse (5520267411), we get a palindrome (6667887666).

The spelling of 1147620255 in words is "one billion, one hundred forty-seven million, six hundred twenty thousand, two hundred fifty-five".