1072889 has 8 divisors (see below), whose sum is σ = 1116288. Its totient is φ = 1030320.

The previous prime is 1072867. The next prime is 1072901. The reversal of 1072889 is 9882701.

1072889 = 82² + 83² + ... + 155².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1072889 - 2⁸ = 1072633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1072829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3824 + ... + 4094.

It is an arithmetic number, because the mean of its divisors is an integer number (139536).

2^1072889 is an apocalyptic number.

It is an amenable number.

1072889 is a deficient number, since it is larger than the sum of its proper divisors (43399).

1072889 is a wasteful number, since it uses less digits than its factorization.

1072889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1072889 is about 1035.8035528033. The cubic root of 1072889 is about 102.3728822744.

The spelling of 1072889 in words is "one million, seventy-two thousand, eight hundred eighty-nine".