1125266942 has 4 divisors (see below), whose sum is σ = 1687900416. Its totient is φ = 562633470.

The previous prime is 1125266911. The next prime is 1125266959. The reversal of 1125266942 is 2496625211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2496625211 = 2281 ⋅1094531.

It is a junction number, because it is equal to n+sod(n) for n = 1125266896 and 1125266905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281316734 + ... + 281316737.

It is an arithmetic number, because the mean of its divisors is an integer number (421975104).

Almost surely, 2^1125266942 is an apocalyptic number.

1125266942 is a deficient number, since it is larger than the sum of its proper divisors (562633474).

1125266942 is an equidigital number, since it uses as much as digits as its factorization.

1125266942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562633473.

The product of its digits is 51840, while the sum is 38.

The square root of 1125266942 is about 33544.9987628558. The cubic root of 1125266942 is about 1040.1241660184.

The spelling of 1125266942 in words is "one billion, one hundred twenty-five million, two hundred sixty-six thousand, nine hundred forty-two".