1127051155 has 8 divisors (see below), whose sum is σ = 1353886272. Its totient is φ = 900691008.

The previous prime is 1127051137. The next prime is 1127051183. The reversal of 1127051155 is 5511507211.

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 1127051155 - 2⁹ = 1127050643 is a prime.

It is a Duffinian 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, 113499 + ... + 123028.

It is an arithmetic number, because the mean of its divisors is an integer number (169235784).

Almost surely, 2^1127051155 is an apocalyptic number.

1127051155 is a deficient number, since it is larger than the sum of its proper divisors (226835117).

1127051155 is an equidigital number, since it uses as much as digits as its factorization.

1127051155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237485.

The product of its (nonzero) digits is 1750, while the sum is 28.

The square root of 1127051155 is about 33571.5825513186. The cubic root of 1127051155 is about 1040.6736128516.

Adding to 1127051155 its reverse (5511507211), we get a palindrome (6638558366).

The spelling of 1127051155 in words is "one billion, one hundred twenty-seven million, fifty-one thousand, one hundred fifty-five".