2190207126 has 32 divisors (see below), whose sum is σ = 4512412800. Its totient is φ = 708269120.

The previous prime is 2190207109. The next prime is 2190207127. The reversal of 2190207126 is 6217020912.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2190207093 and 2190207102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190207127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19165 + ... + 68903.

It is an arithmetic number, because the mean of its divisors is an integer number (141012900).

Almost surely, 2^2190207126 is an apocalyptic number.

2190207126 is an abundant number, since it is smaller than the sum of its proper divisors (2322205674).

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

2190207126 is a wasteful number, since it uses less digits than its factorization.

2190207126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49964.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2190207126 is about 46799.6487807334. The cubic root of 2190207126 is about 1298.6587994119.

The spelling of 2190207126 in words is "two billion, one hundred ninety million, two hundred seven thousand, one hundred twenty-six".