1204506030 has 128 divisors (see below), whose sum is σ = 3570739200. Its totient is φ = 253223424.

The previous prime is 1204506019. The next prime is 1204506031. The reversal of 1204506030 is 306054021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1204505988 and 1204506006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204506031) 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, 979456 + ... + 980684.

It is an arithmetic number, because the mean of its divisors is an integer number (27896400).

Almost surely, 2^1204506030 is an apocalyptic number.

1204506030 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 1204506030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785369600).

1204506030 is an abundant number, since it is smaller than the sum of its proper divisors (2366233170).

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

1204506030 is a wasteful number, since it uses less digits than its factorization.

1204506030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618.

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

The square root of 1204506030 is about 34705.9941508668. The cubic root of 1204506030 is about 1063.9870109547.

The spelling of 1204506030 in words is "one billion, two hundred four million, five hundred six thousand, thirty".