1405200100 has 36 divisors (see below), whose sum is σ = 3209777200. Its totient is φ = 532496160.

The previous prime is 1405200091. The next prime is 1405200101. The reversal of 1405200100 is 10025041.

1405200100 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 (1405200101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367890 + ... + 371689.

Almost surely, 2^1405200100 is an apocalyptic number.

1405200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1405200100 is an abundant number, since it is smaller than the sum of its proper divisors (1804577100).

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

1405200100 is a wasteful number, since it uses less digits than its factorization.

1405200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739612 (or 739605 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1405200100 is about 37485.9987195219. The cubic root of 1405200100 is about 1120.0723008173.

Adding to 1405200100 its reverse (10025041), we get a palindrome (1415225141).

The spelling of 1405200100 in words is "one billion, four hundred five million, two hundred thousand, one hundred".