1020133044 has 72 divisors (see below), whose sum is σ = 2950420928. Its totient is φ = 291133440.

The previous prime is 1020133019. The next prime is 1020133061. The reversal of 1020133044 is 4403310201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293364 + ... + 296820.

Almost surely, 2^1020133044 is an apocalyptic number.

1020133044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1020133044 is an abundant number, since it is smaller than the sum of its proper divisors (1930287884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020133044 is a wasteful number, since it uses less digits than its factorization.

1020133044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1020133044 is about 31939.5216620412. The cubic root of 1020133044 is about 1006.6664740338. Note that the first 3 decimals are identical.

Adding to 1020133044 its reverse (4403310201), we get a palindrome (5423443245).

The spelling of 1020133044 in words is "one billion, twenty million, one hundred thirty-three thousand, forty-four".