1205470030 has 64 divisors (see below), whose sum is σ = 2296184832. Its totient is φ = 455051520.

The previous prime is 1205470009. The next prime is 1205470031. The reversal of 1205470030 is 300745021.

It is a junction number, because it is equal to n+sod(n) for n = 1205469983 and 1205470010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205470031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2637562 + ... + 2638018.

It is an arithmetic number, because the mean of its divisors is an integer number (35877888).

Almost surely, 2^1205470030 is an apocalyptic number.

1205470030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205470030 is a deficient number, since it is larger than the sum of its proper divisors (1090714802).

1205470030 is a wasteful number, since it uses less digits than its factorization.

1205470030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1205470030 is about 34719.8794640765. The cubic root of 1205470030 is about 1064.2707814927.

The spelling of 1205470030 in words is "one billion, two hundred five million, four hundred seventy thousand, thirty".