1045059901 has 4 divisors (see below), whose sum is σ = 1090497312. Its totient is φ = 999622492.

The previous prime is 1045059881. The next prime is 1045059959. The reversal of 1045059901 is 1099505401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1099505401 = 131 ⋅8393171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045059901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045059601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22718671 + ... + 22718716.

It is an arithmetic number, because the mean of its divisors is an integer number (272624328).

Almost surely, 2^1045059901 is an apocalyptic number.

It is an amenable number.

1045059901 is a deficient number, since it is larger than the sum of its proper divisors (45437411).

1045059901 is an equidigital number, since it uses as much as digits as its factorization.

1045059901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45437410.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 1045059901 is about 32327.3862382965. The cubic root of 1045059901 is about 1014.7998508501.

The spelling of 1045059901 in words is "one billion, forty-five million, fifty-nine thousand, nine hundred one".