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1230070 = 25123007
BaseRepresentation
bin100101100010011110110
32022111100011
410230103312
5303330240
642210434
713312132
oct4542366
92274304
101230070
11770196
124b3a1a
13340b6a
142403c2
151946ea
hex12c4f6

1230070 has 8 divisors (see below), whose sum is σ = 2214144. Its totient is φ = 492024.

The previous prime is 1230067. The next prime is 1230071. The reversal of 1230070 is 700321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1230070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61494 + ... + 61513.

It is an arithmetic number, because the mean of its divisors is an integer number (276768).

21230070 is an apocalyptic number.

1230070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230070 is a deficient number, since it is larger than the sum of its proper divisors (984074).

1230070 is a wasteful number, since it uses less digits than its factorization.

1230070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123014.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 1230070 is about 1109.0852086292. The cubic root of 1230070 is about 107.1461594749.

Adding to 1230070 its reverse (700321), we get a palindrome (1930391).

The spelling of 1230070 in words is "one million, two hundred thirty thousand, seventy".

Divisors: 1 2 5 10 123007 246014 615035 1230070