1127978153 has 2 divisors, whose sum is σ = 1127978154. Its totient is φ = 1127978152.

The previous prime is 1127978141. The next prime is 1127978179. The reversal of 1127978153 is 3518797211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933180304 + 194797849 = 30548^2 + 13957^2 .

It is an emirp because it is prime and its reverse (3518797211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1127978153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1127978123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563989076 + 563989077.

It is an arithmetic number, because the mean of its divisors is an integer number (563989077).

Almost surely, 2^1127978153 is an apocalyptic number.

It is an amenable number.

1127978153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127978153 is an equidigital number, since it uses as much as digits as its factorization.

1127978153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 44.

The square root of 1127978153 is about 33585.3860034391. The cubic root of 1127978153 is about 1040.9588521937.

The spelling of 1127978153 in words is "one billion, one hundred twenty-seven million, nine hundred seventy-eight thousand, one hundred fifty-three".