1072655 has 4 divisors (see below), whose sum is σ = 1287192. Its totient is φ = 858120.

The previous prime is 1072637. The next prime is 1072657. The reversal of 1072655 is 5562701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5562701 = 163 ⋅34127.

It is not a de Polignac number, because 1072655 - 2¹² = 1068559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072657) 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, 107261 + ... + 107270.

It is an arithmetic number, because the mean of its divisors is an integer number (321798).

2^1072655 is an apocalyptic number.

1072655 is a deficient number, since it is larger than the sum of its proper divisors (214537).

1072655 is an equidigital number, since it uses as much as digits as its factorization.

1072655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214536.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1072655 is about 1035.6905908620. The cubic root of 1072655 is about 102.3654391322.

The spelling of 1072655 in words is "one million, seventy-two thousand, six hundred fifty-five".