2142127400 has 48 divisors (see below), whose sum is σ = 5691942240. Its totient is φ = 734443200.

The previous prime is 2142127399. The next prime is 2142127433. The reversal of 2142127400 is 47212412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 763646 + ... + 766445.

It is an arithmetic number, because the mean of its divisors is an integer number (118582130).

Almost surely, 2^2142127400 is an apocalyptic number.

2142127400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142127400 is an abundant number, since it is smaller than the sum of its proper divisors (3549814840).

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

2142127400 is a wasteful number, since it uses less digits than its factorization.

2142127400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530114 (or 1530105 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2142127400 is about 46283.1221937328. The cubic root of 2142127400 is about 1289.0856248879.

Adding to 2142127400 its reverse (47212412), we get a palindrome (2189339812).

The spelling of 2142127400 in words is "two billion, one hundred forty-two million, one hundred twenty-seven thousand, four hundred".