1127745020 has 12 divisors (see below), whose sum is σ = 2368264584. Its totient is φ = 451098000.

The previous prime is 1127745013. The next prime is 1127745023. The reversal of 1127745020 is 205477211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127745023) 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, 28193606 + ... + 28193645.

It is an arithmetic number, because the mean of its divisors is an integer number (197355382).

Almost surely, 2^1127745020 is an apocalyptic number.

1127745020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1127745020 is an abundant number, since it is smaller than the sum of its proper divisors (1240519564).

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

1127745020 is a wasteful number, since it uses less digits than its factorization.

1127745020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56387260 (or 56387258 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 1127745020 is about 33581.9150734439. The cubic root of 1127745020 is about 1040.8871313657.

The spelling of 1127745020 in words is "one billion, one hundred twenty-seven million, seven hundred forty-five thousand, twenty".