1023012 has 36 divisors (see below), whose sum is σ = 2616796. Its totient is φ = 336960.

The previous prime is 1022981. The next prime is 1023019. The reversal of 1023012 is 2103201.

It is a happy number.

1023012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 112896 + 910116 = 336^2 + 954^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1022985 and 1023003.

It is not an unprimeable number, because it can be changed into a prime (1023019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5562 + ... + 5742.

2^1023012 is an apocalyptic number.

1023012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023012 is an abundant number, since it is smaller than the sum of its proper divisors (1593784).

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

1023012 is a wasteful number, since it uses less digits than its factorization.

1023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1023012 is about 1011.4405568297. The cubic root of 1023012 is about 100.7612568416.

Adding to 1023012 its reverse (2103201), we get a palindrome (3126213).

It can be divided in two parts, 10230 and 12, that multiplied together give a triangular number (122760 = T₄₉₅).

The spelling of 1023012 in words is "one million, twenty-three thousand, twelve".