1127780275 has 48 divisors (see below), whose sum is σ = 1542758400. Its totient is φ = 814943360.

The previous prime is 1127780237. The next prime is 1127780299. The reversal of 1127780275 is 5720877211.

It is not a de Polignac number, because 1127780275 - 2¹¹ = 1127778227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 783006 + ... + 784444.

It is an arithmetic number, because the mean of its divisors is an integer number (32140800).

Almost surely, 2^1127780275 is an apocalyptic number.

1127780275 is a deficient number, since it is larger than the sum of its proper divisors (414978125).

1127780275 is a wasteful number, since it uses less digits than its factorization.

1127780275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 40.

The square root of 1127780275 is about 33582.4399798466. The cubic root of 1127780275 is about 1040.8979778167.

The spelling of 1127780275 in words is "one billion, one hundred twenty-seven million, seven hundred eighty thousand, two hundred seventy-five".