1260006100 has 36 divisors (see below), whose sum is σ = 2785813884. Its totient is φ = 494490880.

The previous prime is 1260006073. The next prime is 1260006113. The reversal of 1260006100 is 16000621.

1260006100 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 73479184 + 1186526916 = 8572^2 + 34446^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113569 + ... + 124168.

It is an arithmetic number, because the mean of its divisors is an integer number (77383719).

Almost surely, 2^1260006100 is an apocalyptic number.

1260006100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260006100 is an abundant number, since it is smaller than the sum of its proper divisors (1525807784).

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

1260006100 is a wasteful number, since it uses less digits than its factorization.

1260006100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237804 (or 237797 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1260006100 is about 35496.5646225096. The cubic root of 1260006100 is about 1080.0840412424.

Adding to 1260006100 its reverse (16000621), we get a palindrome (1276006721).

The spelling of 1260006100 in words is "one billion, two hundred sixty million, six thousand, one hundred".