1072867 has 2 divisors, whose sum is σ = 1072868. Its totient is φ = 1072866.

The previous prime is 1072859. The next prime is 1072901. The reversal of 1072867 is 7682701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1072867 - 2³ = 1072859 is a prime.

It is equal to p₈₃₇₄₉ and since 1072867 and 83749 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1072837) 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 as a sum of consecutive naturals, namely, 536433 + 536434.

It is an arithmetic number, because the mean of its divisors is an integer number (536434).

2^1072867 is an apocalyptic number.

1072867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072867 is an equidigital number, since it uses as much as digits as its factorization.

1072867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1072867 is about 1035.7929329745. The cubic root of 1072867 is about 102.3721825379.

The spelling of 1072867 in words is "one million, seventy-two thousand, eight hundred sixty-seven".