1977112 has 16 divisors (see below), whose sum is σ = 3777840. Its totient is φ = 969696.

The previous prime is 1977091. The next prime is 1977119. The reversal of 1977112 is 2117791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1977119) 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, 1908 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (236115).

2^1977112 is an apocalyptic number.

It is an amenable number.

1977112 is a deficient number, since it is larger than the sum of its proper divisors (1800728).

1977112 is a wasteful number, since it uses less digits than its factorization.

1977112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 4718 counting only the distinct ones).

The product of its digits is 882, while the sum is 28.

The square root of 1977112 is about 1406.0981473567. The cubic root of 1977112 is about 125.5096419633.

The spelling of 1977112 in words is "one million, nine hundred seventy-seven thousand, one hundred twelve".