1672128 has 42 divisors (see below), whose sum is σ = 4794504. Its totient is φ = 557184.

The previous prime is 1672117. The next prime is 1672129. The reversal of 1672128 is 8212761.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 876 + ... + 2027.

2^1672128 is an apocalyptic number.

1672128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1672128 is an abundant number, since it is smaller than the sum of its proper divisors (3122376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672128 is a wasteful number, since it uses less digits than its factorization.

1672128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921 (or 2908 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1672128 is about 1293.1078841303. The cubic root of 1672128 is about 118.6924714884.

Adding to 1672128 its reverse (8212761), we get a palindrome (9884889).

The spelling of 1672128 in words is "one million, six hundred seventy-two thousand, one hundred twenty-eight".