1126694142 has 144 divisors (see below), whose sum is σ = 3031780752. Its totient is φ = 300464640.

The previous prime is 1126694137. The next prime is 1126694143. The reversal of 1126694142 is 2414966211.

It is a junction number, because it is equal to n+sod(n) for n = 1126694097 and 1126694106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126694143) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2443792 + ... + 2444252.

It is an arithmetic number, because the mean of its divisors is an integer number (21054033).

Almost surely, 2^1126694142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126694142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515890376).

1126694142 is an abundant number, since it is smaller than the sum of its proper divisors (1905086610).

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

1126694142 is a wasteful number, since it uses less digits than its factorization.

1126694142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 653 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1126694142 is about 33566.2649396682. The cubic root of 1126694142 is about 1040.5637174419.

The spelling of 1126694142 in words is "one billion, one hundred twenty-six million, six hundred ninety-four thousand, one hundred forty-two".