1071623 has 4 divisors (see below), whose sum is σ = 1224720. Its totient is φ = 918528.

The previous prime is 1071601. The next prime is 1071641. The reversal of 1071623 is 3261701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3261701 = 103 ⋅31667.

It is a cyclic number.

It is not a de Polignac number, because 1071623 - 2¹⁶ = 1006087 is a prime.

It is a super-2 number, since 2×1071623² = 2296751708258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071595 and 1071604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071643) 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, 76538 + ... + 76551.

It is an arithmetic number, because the mean of its divisors is an integer number (306180).

2^1071623 is an apocalyptic number.

1071623 is a deficient number, since it is larger than the sum of its proper divisors (153097).

1071623 is an equidigital number, since it uses as much as digits as its factorization.

1071623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153096.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1071623 is about 1035.1922526758. The cubic root of 1071623 is about 102.3326000459.

The spelling of 1071623 in words is "one million, seventy-one thousand, six hundred twenty-three".