1126127720 has 32 divisors (see below), whose sum is σ = 2667146400. Its totient is φ = 426742848.

The previous prime is 1126127713. The next prime is 1126127741. The reversal of 1126127720 is 277216211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740114 + ... + 741633.

It is an arithmetic number, because the mean of its divisors is an integer number (83348325).

Almost surely, 2^1126127720 is an apocalyptic number.

1126127720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1126127720 is an abundant number, since it is smaller than the sum of its proper divisors (1541018680).

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

1126127720 is a wasteful number, since it uses less digits than its factorization.

1126127720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481777 (or 1481773 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 1126127720 is about 33557.8265088787. The cubic root of 1126127720 is about 1040.3893143048.

The spelling of 1126127720 in words is "one billion, one hundred twenty-six million, one hundred twenty-seven thousand, seven hundred twenty".