1140012 has 18 divisors (see below), whose sum is σ = 2881788. Its totient is φ = 379992.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140012 is 2100411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

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 = 1139976 and 1140003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15798 + ... + 15869.

2^1140012 is an apocalyptic number.

1140012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140012 is an abundant number, since it is smaller than the sum of its proper divisors (1741776).

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

1140012 is a wasteful number, since it uses less digits than its factorization.

1140012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31677 (or 31672 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1140012 is about 1067.7134447032. The cubic root of 1140012 is about 104.4647592227.

Adding to 1140012 its reverse (2100411), we get a palindrome (3240423).

It can be divided in two parts, 114001 and 2, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 1140012 in words is "one million, one hundred forty thousand, twelve".