1125913437 has 24 divisors (see below), whose sum is σ = 1779304800. Its totient is φ = 680395680.

The previous prime is 1125913433. The next prime is 1125913463. The reversal of 1125913437 is 7343195211.

1125913437 is a `hidden beast` number, since 1 + 1 + 2 + 591 + 34 + 37 = 666.

It is not a de Polignac number, because 1125913437 - 2² = 1125913433 is a prime.

It is a super-3 number, since 3×1125913437³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125913433) 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, 18258 + ... + 50844.

It is an arithmetic number, because the mean of its divisors is an integer number (74137700).

Almost surely, 2^1125913437 is an apocalyptic number.

It is an amenable number.

1125913437 is a deficient number, since it is larger than the sum of its proper divisors (653391363).

1125913437 is a wasteful number, since it uses less digits than its factorization.

1125913437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32953 (or 32950 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1125913437 is about 33554.6336144503. The cubic root of 1125913437 is about 1040.3233206401.

The spelling of 1125913437 in words is "one billion, one hundred twenty-five million, nine hundred thirteen thousand, four hundred thirty-seven".