1125415548 has 36 divisors (see below), whose sum is σ = 2859712128. Its totient is φ = 373172160.

The previous prime is 1125415541. The next prime is 1125415559. The reversal of 1125415548 is 8455145211.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125415541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74961 + ... + 88712.

It is an arithmetic number, because the mean of its divisors is an integer number (79436448).

Almost surely, 2^1125415548 is an apocalyptic number.

1125415548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1125415548 is an abundant number, since it is smaller than the sum of its proper divisors (1734296580).

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

1125415548 is a wasteful number, since it uses less digits than its factorization.

1125415548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163874 (or 163869 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 1125415548 is about 33547.2137144056. The cubic root of 1125415548 is about 1040.1699512693.

The spelling of 1125415548 in words is "one billion, one hundred twenty-five million, four hundred fifteen thousand, five hundred forty-eight".