1045211938 has 4 divisors (see below), whose sum is σ = 1567817910. Its totient is φ = 522605968.

The previous prime is 1045211899. The next prime is 1045211987. The reversal of 1045211938 is 8391125401.

1045211938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 924585649 + 120626289 = 30407^2 + 10983^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261302983 + ... + 261302986.

Almost surely, 2^1045211938 is an apocalyptic number.

1045211938 is a deficient number, since it is larger than the sum of its proper divisors (522605972).

1045211938 is an equidigital number, since it uses as much as digits as its factorization.

1045211938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522605971.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1045211938 is about 32329.7376729227. The cubic root of 1045211938 is about 1014.8490600369.

The spelling of 1045211938 in words is "one billion, forty-five million, two hundred eleven thousand, nine hundred thirty-eight".