1127521125 has 24 divisors (see below), whose sum is σ = 2032546776. Its totient is φ = 601344000.

The previous prime is 1127521079. The next prime is 1127521127. The reversal of 1127521125 is 5211257211.

1127521125 is a `hidden beast` number, since 1 + 12 + 7 + 521 + 125 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 130919364 + 996601761 = 11442^2 + 31569^2 .

It is not a de Polignac number, because 1127521125 - 2⁷ = 1127520997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127521127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499996 + ... + 502245.

It is an arithmetic number, because the mean of its divisors is an integer number (84689449).

Almost surely, 2^1127521125 is an apocalyptic number.

1127521125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1127521125 is a deficient number, since it is larger than the sum of its proper divisors (905025651).

1127521125 is a wasteful number, since it uses less digits than its factorization.

1127521125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002262 (or 1002249 counting only the distinct ones).

The product of its digits is 1400, while the sum is 27.

The square root of 1127521125 is about 33578.5813428739. The cubic root of 1127521125 is about 1040.8182432026.

Adding to 1127521125 its reverse (5211257211), we get a palindrome (6338778336).

It can be divided in two parts, 11275 and 21125, that added together give a square (32400 = 180²).

The spelling of 1127521125 in words is "one billion, one hundred twenty-seven million, five hundred twenty-one thousand, one hundred twenty-five".