1125311052 has 24 divisors (see below), whose sum is σ = 2675269296. Its totient is φ = 368026048.

The previous prime is 1125310973. The next prime is 1125311053. The reversal of 1125311052 is 2501135211.

It is not an unprimeable number, because it can be changed into a prime (1125311053) 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, 884043 + ... + 885314.

It is an arithmetic number, because the mean of its divisors is an integer number (111469554).

Almost surely, 2^1125311052 is an apocalyptic number.

1125311052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1125311052 is an abundant number, since it is smaller than the sum of its proper divisors (1549958244).

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

1125311052 is a wasteful number, since it uses less digits than its factorization.

1125311052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769417 (or 1769415 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1125311052 is about 33545.6562314706. The cubic root of 1125311052 is about 1040.1377566536.

Adding to 1125311052 its reverse (2501135211), we get a palindrome (3626446263).

The spelling of 1125311052 in words is "one billion, one hundred twenty-five million, three hundred eleven thousand, fifty-two".