1105125442 has 4 divisors (see below), whose sum is σ = 1657688166. Its totient is φ = 552562720.

The previous prime is 1105125407. The next prime is 1105125473. The reversal of 1105125442 is 2445215011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1102306401 + 2819041 = 33201^2 + 1679^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 276281359 + ... + 276281362.

Almost surely, 2^1105125442 is an apocalyptic number.

1105125442 is a deficient number, since it is larger than the sum of its proper divisors (552562724).

1105125442 is an equidigital number, since it uses as much as digits as its factorization.

1105125442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552562723.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1105125442 is about 33243.4270495688. The cubic root of 1105125442 is about 1033.8809322569.

The spelling of 1105125442 in words is "one billion, one hundred five million, one hundred twenty-five thousand, four hundred forty-two".