1023612 has 24 divisors (see below), whose sum is σ = 2406096. Its totient is φ = 338688.

The previous prime is 1023601. The next prime is 1023643. The reversal of 1023612 is 2163201.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1023591 and 1023600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148 + ... + 2580.

It is an arithmetic number, because the mean of its divisors is an integer number (100254).

2^1023612 is an apocalyptic number.

1023612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023612 is an abundant number, since it is smaller than the sum of its proper divisors (1382484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023612 is a wasteful number, since it uses less digits than its factorization.

1023612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1023612 is about 1011.7371200070. The cubic root of 1023612 is about 100.7809519311.

Adding to 1023612 its reverse (2163201), we get a palindrome (3186813).

The spelling of 1023612 in words is "one million, twenty-three thousand, six hundred twelve".