1045020412 has 12 divisors (see below), whose sum is σ = 1829482200. Its totient is φ = 522311216.

The previous prime is 1045020391. The next prime is 1045020439. The reversal of 1045020412 is 2140205401.

It is a super-2 number, since 2×1045020412² = 2184135322993299488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1045020412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37603 + ... + 59194.

It is an arithmetic number, because the mean of its divisors is an integer number (152456850).

Almost surely, 2^1045020412 is an apocalyptic number.

It is an amenable number.

1045020412 is a deficient number, since it is larger than the sum of its proper divisors (784461788).

1045020412 is a wasteful number, since it uses less digits than its factorization.

1045020412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99500 (or 99498 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1045020412 is about 32326.7754655487. The cubic root of 1045020412 is about 1014.7870688281.

Adding to 1045020412 its reverse (2140205401), we get a palindrome (3185225813).

The spelling of 1045020412 in words is "one billion, forty-five million, twenty thousand, four hundred twelve".