1205712070 has 16 divisors (see below), whose sum is σ = 2284507440. Its totient is φ = 456901344.

The previous prime is 1205712061. The next prime is 1205712071. The reversal of 1205712070 is 702175021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205712071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172737 + ... + 3173116.

It is an arithmetic number, because the mean of its divisors is an integer number (142781715).

Almost surely, 2^1205712070 is an apocalyptic number.

1205712070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205712070 is a deficient number, since it is larger than the sum of its proper divisors (1078795370).

1205712070 is a wasteful number, since it uses less digits than its factorization.

1205712070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345879.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 1205712070 is about 34723.3649003088. The cubic root of 1205712070 is about 1064.3420065073.

Adding to 1205712070 its reverse (702175021), we get a palindrome (1907887091).

The spelling of 1205712070 in words is "one billion, two hundred five million, seven hundred twelve thousand, seventy".