1077021 has 36 divisors (see below), whose sum is σ = 1825824. Its totient is φ = 609840.

The previous prime is 1077017. The next prime is 1077023. The reversal of 1077021 is 1207701.

It is not a de Polignac number, because 1077021 - 2² = 1077017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1076985 and 1077003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25026 + ... + 25068.

2^1077021 is an apocalyptic number.

1077021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1077021 is a deficient number, since it is larger than the sum of its proper divisors (748803).

1077021 is a wasteful number, since it uses less digits than its factorization.

1077021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 1077021 is about 1037.7962227721. The cubic root of 1077021 is about 102.5041362598.

The spelling of 1077021 in words is "one million, seventy-seven thousand, twenty-one".