1127661528 has 32 divisors (see below), whose sum is σ = 3221890560. Its totient is φ = 322188960.

The previous prime is 1127661497. The next prime is 1127661529. The reversal of 1127661528 is 8251667211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127661529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355968 + ... + 3356303.

It is an arithmetic number, because the mean of its divisors is an integer number (100684080).

Almost surely, 2^1127661528 is an apocalyptic number.

It is an amenable number.

1127661528 is an abundant number, since it is smaller than the sum of its proper divisors (2094229032).

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

1127661528 is a wasteful number, since it uses less digits than its factorization.

1127661528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712287 (or 6712283 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 1127661528 is about 33580.6719408650. The cubic root of 1127661528 is about 1040.8614435575.

The spelling of 1127661528 in words is "one billion, one hundred twenty-seven million, six hundred sixty-one thousand, five hundred twenty-eight".