1072605 has 16 divisors (see below), whose sum is σ = 1791360. Its totient is φ = 547008.

The previous prime is 1072543. The next prime is 1072613. The reversal of 1072605 is 5062701.

It is not a de Polignac number, because 1072605 - 2¹¹ = 1070557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210 + ... + 1899.

It is an arithmetic number, because the mean of its divisors is an integer number (111960).

2^1072605 is an apocalyptic number.

1072605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1072605 is a deficient number, since it is larger than the sum of its proper divisors (718755).

1072605 is a wasteful number, since it uses less digits than its factorization.

1072605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1072605 is about 1035.6664520974. Note that the first 3 decimals coincide. The cubic root of 1072605 is about 102.3638485769.

The spelling of 1072605 in words is "one million, seventy-two thousand, six hundred five".