2126142403 has 8 divisors (see below), whose sum is σ = 2650775040. Its totient is φ = 1656734280.

The previous prime is 2126142401. The next prime is 2126142407. The reversal of 2126142403 is 3042416212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2126142403 - 2¹ = 2126142401 is a prime.

It is a super-2 number, since 2×2126142403² = 9040963035669228818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126142401) 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, 13806043 + ... + 13806196.

It is an arithmetic number, because the mean of its divisors is an integer number (331346880).

Almost surely, 2^2126142403 is an apocalyptic number.

2126142403 is a deficient number, since it is larger than the sum of its proper divisors (524632637).

2126142403 is a wasteful number, since it uses less digits than its factorization.

2126142403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27612257.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2126142403 is about 46110.1117218339. Note that the first 3 decimals coincide. The cubic root of 2126142403 is about 1285.8711414914.

Adding to 2126142403 its reverse (3042416212), we get a palindrome (5168558615).

The spelling of 2126142403 in words is "two billion, one hundred twenty-six million, one hundred forty-two thousand, four hundred three".