1125505466 has 4 divisors (see below), whose sum is σ = 1688258202. Its totient is φ = 562752732.

The previous prime is 1125505429. The next prime is 1125505487. The reversal of 1125505466 is 6645055211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6645055211 = 683 ⋅9729217.

It can be written as a sum of positive squares in only one way, i.e., 827770441 + 297735025 = 28771^2 + 17255^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281376365 + ... + 281376368.

Almost surely, 2^1125505466 is an apocalyptic number.

1125505466 is a deficient number, since it is larger than the sum of its proper divisors (562752736).

1125505466 is an equidigital number, since it uses as much as digits as its factorization.

1125505466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562752735.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1125505466 is about 33548.5538585496. The cubic root of 1125505466 is about 1040.1976528921.

The spelling of 1125505466 in words is "one billion, one hundred twenty-five million, five hundred five thousand, four hundred sixty-six".