1125215384 has 32 divisors (see below), whose sum is σ = 2232541440. Its totient is φ = 530560800.

The previous prime is 1125215383. The next prime is 1125215459. The reversal of 1125215384 is 4835125211.

It is a super-2 number, since 2×1125215384² = 2532219320780534912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1125215384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125215383) 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, 30002 + ... + 56129.

It is an arithmetic number, because the mean of its divisors is an integer number (69766920).

Almost surely, 2^1125215384 is an apocalyptic number.

It is an amenable number.

1125215384 is a deficient number, since it is larger than the sum of its proper divisors (1107326056).

1125215384 is a wasteful number, since it uses less digits than its factorization.

1125215384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86231 (or 86227 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 1125215384 is about 33544.2302639366. The cubic root of 1125215384 is about 1040.1082801461.

The spelling of 1125215384 in words is "one billion, one hundred twenty-five million, two hundred fifteen thousand, three hundred eighty-four".