1045212273 has 48 divisors (see below), whose sum is σ = 1779148800. Its totient is φ = 578917728.

The previous prime is 1045212263. The next prime is 1045212293. The reversal of 1045212273 is 3722125401.

It is not a de Polignac number, because 1045212273 - 2⁴ = 1045212257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1045212263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315178 + ... + 318476.

It is an arithmetic number, because the mean of its divisors is an integer number (37065600).

Almost surely, 2^1045212273 is an apocalyptic number.

It is an amenable number.

1045212273 is a deficient number, since it is larger than the sum of its proper divisors (733936527).

1045212273 is a wasteful number, since it uses less digits than its factorization.

1045212273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466 (or 3463 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1045212273 is about 32329.7428539109. The cubic root of 1045212273 is about 1014.8491684597.

Adding to 1045212273 its reverse (3722125401), we get a palindrome (4767337674).

The spelling of 1045212273 in words is "one billion, forty-five million, two hundred twelve thousand, two hundred seventy-three".