1125012270 has 16 divisors (see below), whose sum is σ = 2700029520. Its totient is φ = 300003264.

The previous prime is 1125012221. The next prime is 1125012277. The reversal of 1125012270 is 722105211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125012277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18750175 + ... + 18750234.

It is an arithmetic number, because the mean of its divisors is an integer number (168751845).

Almost surely, 2^1125012270 is an apocalyptic number.

1125012270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125012270 is an abundant number, since it is smaller than the sum of its proper divisors (1575017250).

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

1125012270 is a wasteful number, since it uses less digits than its factorization.

1125012270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37500419.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 1125012270 is about 33541.2025723587. The cubic root of 1125012270 is about 1040.0456926424.

Adding to 1125012270 its reverse (722105211), we get a palindrome (1847117481).

The spelling of 1125012270 in words is "one billion, one hundred twenty-five million, twelve thousand, two hundred seventy".