1206415400 has 48 divisors (see below), whose sum is σ = 2846811840. Its totient is φ = 475358400.

The previous prime is 1206415391. The next prime is 1206415403. The reversal of 1206415400 is 45146021.

1206415400 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1206415403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31616 + ... + 58415.

It is an arithmetic number, because the mean of its divisors is an integer number (59308580).

Almost surely, 2^1206415400 is an apocalyptic number.

1206415400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206415400 is an abundant number, since it is smaller than the sum of its proper divisors (1640396440).

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

1206415400 is a wasteful number, since it uses less digits than its factorization.

1206415400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90114 (or 90105 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1206415400 is about 34733.4910425082. The cubic root of 1206415400 is about 1064.5489210689.

The spelling of 1206415400 in words is "one billion, two hundred six million, four hundred fifteen thousand, four hundred".