2126747401 has 4 divisors (see below), whose sum is σ = 2127850704. Its totient is φ = 2125644100.

The previous prime is 2126747369. The next prime is 2126747411. The reversal of 2126747401 is 1047476212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2126747401 - 2⁵ = 2126747369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126747411) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 548755 + ... + 552616.

It is an arithmetic number, because the mean of its divisors is an integer number (531962676).

Almost surely, 2^2126747401 is an apocalyptic number.

It is an amenable number.

2126747401 is a deficient number, since it is larger than the sum of its proper divisors (1103303).

2126747401 is a wasteful number, since it uses less digits than its factorization.

2126747401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103302.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 2126747401 is about 46116.6716166724. The cubic root of 2126747401 is about 1285.9930956450.

The spelling of 2126747401 in words is "two billion, one hundred twenty-six million, seven hundred forty-seven thousand, four hundred one".