2146987127 has 4 divisors (see below), whose sum is σ = 2149419480. Its totient is φ = 2144554776.

The previous prime is 2146987109. The next prime is 2146987147. The reversal of 2146987127 is 7217896412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2146987127 - 2¹⁰ = 2146986103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146987147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214852 + ... + 1216617.

It is an arithmetic number, because the mean of its divisors is an integer number (537354870).

Almost surely, 2^2146987127 is an apocalyptic number.

2146987127 is a deficient number, since it is larger than the sum of its proper divisors (2432353).

2146987127 is an equidigital number, since it uses as much as digits as its factorization.

2146987127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432352.

The product of its digits is 338688, while the sum is 47.

The square root of 2146987127 is about 46335.5924425274. The cubic root of 2146987127 is about 1290.0597146005.

The spelling of 2146987127 in words is "two billion, one hundred forty-six million, nine hundred eighty-seven thousand, one hundred twenty-seven".