1127776542 has 8 divisors (see below), whose sum is σ = 2255553096. Its totient is φ = 375925512.

The previous prime is 1127776487. The next prime is 1127776547. The reversal of 1127776542 is 2456777211.

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

1127776542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1127776494 and 1127776503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127776547) 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, 93981373 + ... + 93981384.

It is an arithmetic number, because the mean of its divisors is an integer number (281944137).

Almost surely, 2^1127776542 is an apocalyptic number.

1127776542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1127776542 is a wasteful number, since it uses less digits than its factorization.

1127776542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187962762.

The product of its digits is 164640, while the sum is 42.

The square root of 1127776542 is about 33582.3844001584. The cubic root of 1127776542 is about 1040.8968293435.

The spelling of 1127776542 in words is "one billion, one hundred twenty-seven million, seven hundred seventy-six thousand, five hundred forty-two".