1125741020 has 48 divisors (see below), whose sum is σ = 2507990688. Its totient is φ = 422983680.

The previous prime is 1125741017. The next prime is 1125741061. The reversal of 1125741020 is 201475211.

It is a super-2 number, since 2×1125741020² = 2534585688221280800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188480 + ... + 194360.

It is an arithmetic number, because the mean of its divisors is an integer number (52249806).

Almost surely, 2^1125741020 is an apocalyptic number.

1125741020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125741020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253995344).

1125741020 is an abundant number, since it is smaller than the sum of its proper divisors (1382249668).

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

1125741020 is a wasteful number, since it uses less digits than its factorization.

1125741020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 6468 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1125741020 is about 33552.0643180118. The cubic root of 1125741020 is about 1040.2702145496.

The spelling of 1125741020 in words is "one billion, one hundred twenty-five million, seven hundred forty-one thousand, twenty".