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1020012 = 223712143
BaseRepresentation
bin11111001000001101100
31220211012020
43321001230
5230120022
633510140
711445540
oct3710154
91824166
101020012
11637394
12412350
13299376
141c7a20
1515235c
hexf906c

1020012 has 24 divisors (see below), whose sum is σ = 2720256. Its totient is φ = 291408.

The previous prime is 1020011. The next prime is 1020013. The reversal of 1020012 is 2100201.

Adding to 1020012 its reverse (2100201), we get a palindrome (3120213).

It is a happy number.

1020012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020011) and next prime (1020013).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (1020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5988 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (113344).

21020012 is an apocalyptic number.

1020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020012 is an abundant number, since it is smaller than the sum of its proper divisors (1700244).

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

1020012 is a wasteful number, since it uses less digits than its factorization.

1020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12157 (or 12155 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1020012 is about 1009.9564347040. The cubic root of 1020012 is about 100.6626657085.

The spelling of 1020012 in words is "one million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 12143 24286 36429 48572 72858 85001 145716 170002 255003 340004 510006 1020012