1125012834 has 64 divisors (see below), whose sum is σ = 2821392000. Its totient is φ = 329152320.

The previous prime is 1125012809. The next prime is 1125012839. The reversal of 1125012834 is 4382105211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1125012798 and 1125012807.

It is not an unprimeable number, because it can be changed into a prime (1125012839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15429 + ... + 49880.

It is an arithmetic number, because the mean of its divisors is an integer number (44084250).

Almost surely, 2^1125012834 is an apocalyptic number.

1125012834 is an abundant number, since it is smaller than the sum of its proper divisors (1696379166).

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

1125012834 is a wasteful number, since it uses less digits than its factorization.

1125012834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65360 (or 65354 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1125012834 is about 33541.2109799274. The cubic root of 1125012834 is about 1040.0458664436.

The spelling of 1125012834 in words is "one billion, one hundred twenty-five million, twelve thousand, eight hundred thirty-four".