1125773534 has 4 divisors (see below), whose sum is σ = 1688660304. Its totient is φ = 562886766.

The previous prime is 1125773527. The next prime is 1125773543. The reversal of 1125773534 is 4353775211.

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: 4353775211 = 6947 ⋅626713.

It is a Curzon number.

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, 281443382 + ... + 281443385.

It is an arithmetic number, because the mean of its divisors is an integer number (422165076).

Almost surely, 2^1125773534 is an apocalyptic number.

1125773534 is a deficient number, since it is larger than the sum of its proper divisors (562886770).

1125773534 is an equidigital number, since it uses as much as digits as its factorization.

1125773534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562886769.

The product of its digits is 88200, while the sum is 38.

The square root of 1125773534 is about 33552.5488450580. The cubic root of 1125773534 is about 1040.2802295885.

The spelling of 1125773534 in words is "one billion, one hundred twenty-five million, seven hundred seventy-three thousand, five hundred thirty-four".