1125522930 has 32 divisors (see below), whose sum is σ = 3087149184. Its totient is φ = 257262336.

The previous prime is 1125522919. The next prime is 1125522947. The reversal of 1125522930 is 392255211.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2679607 + ... + 2680026.

It is an arithmetic number, because the mean of its divisors is an integer number (96473412).

Almost surely, 2^1125522930 is an apocalyptic number.

1125522930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125522930 is an abundant number, since it is smaller than the sum of its proper divisors (1961626254).

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

1125522930 is a wasteful number, since it uses less digits than its factorization.

1125522930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359650.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1125522930 is about 33548.8141370153. The cubic root of 1125522930 is about 1040.2030329690.

The spelling of 1125522930 in words is "one billion, one hundred twenty-five million, five hundred twenty-two thousand, nine hundred thirty".