1045206030 has 128 divisors (see below), whose sum is σ = 2847591936. Its totient is φ = 243302400.

The previous prime is 1045206011. The next prime is 1045206037. The reversal of 1045206030 is 306025401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1045205988 and 1045206006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045206037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 905934 + ... + 907086.

It is an arithmetic number, because the mean of its divisors is an integer number (22246812).

Almost surely, 2^1045206030 is an apocalyptic number.

1045206030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045206030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423795968).

1045206030 is an abundant number, since it is smaller than the sum of its proper divisors (1802385906).

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

1045206030 is a wasteful number, since it uses less digits than its factorization.

1045206030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1045206030 is about 32329.6463018079. The cubic root of 1045206030 is about 1014.8471479081.

The spelling of 1045206030 in words is "one billion, forty-five million, two hundred six thousand, thirty".