1125486090 has 144 divisors (see below), whose sum is σ = 3205264608. Its totient is φ = 284111712.

The previous prime is 1125486083. The next prime is 1125486101. The reversal of 1125486090 is 906845211.

1125486090 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 48 + 609 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 876589 + ... + 877871.

It is an arithmetic number, because the mean of its divisors is an integer number (22258782).

Almost surely, 2^1125486090 is an apocalyptic number.

1125486090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125486090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1602632304).

1125486090 is an abundant number, since it is smaller than the sum of its proper divisors (2079778518).

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

1125486090 is a wasteful number, since it uses less digits than its factorization.

1125486090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1125486090 is about 33548.2650818191. The cubic root of 1125486090 is about 1040.1916837265.

It can be divided in two parts, 11254 and 86090, that added together give a square (97344 = 312²).

The spelling of 1125486090 in words is "one billion, one hundred twenty-five million, four hundred eighty-six thousand, ninety".