2112977 has 4 divisors (see below), whose sum is σ = 2162160. Its totient is φ = 2063796.

The previous prime is 2112973. The next prime is 2112989. The reversal of 2112977 is 7792112.

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 2112977 - 2² = 2112973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112973) 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, 24527 + ... + 24612.

It is an arithmetic number, because the mean of its divisors is an integer number (540540).

2^2112977 is an apocalyptic number.

It is an amenable number.

2112977 is a deficient number, since it is larger than the sum of its proper divisors (49183).

2112977 is an equidigital number, since it uses as much as digits as its factorization.

2112977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49182.

The product of its digits is 1764, while the sum is 29.

The square root of 2112977 is about 1453.6082691014. The cubic root of 2112977 is about 128.3211539949.

The spelling of 2112977 in words is "two million, one hundred twelve thousand, nine hundred seventy-seven".