1127738388 has 48 divisors (see below), whose sum is σ = 3165585920. Its totient is φ = 305252064.

The previous prime is 1127738371. The next prime is 1127738389. The reversal of 1127738388 is 8838377211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127738389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351706 + ... + 354897.

Almost surely, 2^1127738388 is an apocalyptic number.

It is an amenable number.

1127738388 is an abundant number, since it is smaller than the sum of its proper divisors (2037847532).

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

1127738388 is a wasteful number, since it uses less digits than its factorization.

1127738388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706636 (or 706634 counting only the distinct ones).

The product of its digits is 451584, while the sum is 48.

The square root of 1127738388 is about 33581.8163296746. The cubic root of 1127738388 is about 1040.8850909585.

The spelling of 1127738388 in words is "one billion, one hundred twenty-seven million, seven hundred thirty-eight thousand, three hundred eighty-eight".