1127970851 has 4 divisors (see below), whose sum is σ = 1289109552. Its totient is φ = 966832152.

The previous prime is 1127970847. The next prime is 1127970871. The reversal of 1127970851 is 1580797211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1127970851 - 2² = 1127970847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1127970799 and 1127970808.

It is not an unprimeable number, because it can be changed into a prime (1127970821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80569340 + ... + 80569353.

It is an arithmetic number, because the mean of its divisors is an integer number (322277388).

Almost surely, 2^1127970851 is an apocalyptic number.

1127970851 is a deficient number, since it is larger than the sum of its proper divisors (161138701).

1127970851 is an equidigital number, since it uses as much as digits as its factorization.

1127970851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161138700.

The product of its (nonzero) digits is 35280, while the sum is 41.

The square root of 1127970851 is about 33585.2772952673. The cubic root of 1127970851 is about 1040.9566059629.

The spelling of 1127970851 in words is "one billion, one hundred twenty-seven million, nine hundred seventy thousand, eight hundred fifty-one".