1045121044 has 36 divisors (see below), whose sum is σ = 2044476000. Its totient is φ = 466990480.

The previous prime is 1045121017. The next prime is 1045121057. The reversal of 1045121044 is 4401215401.

It is a super-2 number, since 2×1045121044² = 2184555993223299872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 10257 + ... + 46855.

It is an arithmetic number, because the mean of its divisors is an integer number (56791000).

Almost surely, 2^1045121044 is an apocalyptic number.

It is an amenable number.

1045121044 is a deficient number, since it is larger than the sum of its proper divisors (999354956).

1045121044 is a wasteful number, since it uses less digits than its factorization.

1045121044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36684 (or 36671 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1045121044 is about 32328.3319087144. The cubic root of 1045121044 is about 1014.8196413257.

Adding to 1045121044 its reverse (4401215401), we get a palindrome (5446336445).

The spelling of 1045121044 in words is "one billion, forty-five million, one hundred twenty-one thousand, forty-four".