2987101 has 4 divisors (see below), whose sum is σ = 3216892. Its totient is φ = 2757312.

The previous prime is 2987099. The next prime is 2987113. The reversal of 2987101 is 1017892.

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

It can be written as a sum of positive squares in 2 ways, for example, as 181476 + 2805625 = 426^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 2987101 - 2¹ = 2987099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2987101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987141) 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, 114876 + ... + 114901.

It is an arithmetic number, because the mean of its divisors is an integer number (804223).

2^2987101 is an apocalyptic number.

It is an amenable number.

2987101 is a deficient number, since it is larger than the sum of its proper divisors (229791).

2987101 is a wasteful number, since it uses less digits than its factorization.

2987101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229790.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2987101 is about 1728.3231757979. The cubic root of 2987101 is about 144.0179536514.

The spelling of 2987101 in words is "two million, nine hundred eighty-seven thousand, one hundred one".