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1206130 = 251031171
BaseRepresentation
bin100100110011101110010
32021021111111
410212131302
5302044010
641503534
713152262
oct4463562
92237444
101206130
11754202
124a1baa
13332cb3
142357a2
1518c58a
hex126772

1206130 has 16 divisors (see below), whose sum is σ = 2193984. Its totient is φ = 477360.

The previous prime is 1206113. The next prime is 1206131. The reversal of 1206130 is 316021.

It is a self number, because there is not a number n which added to its sum of digits gives 1206130.

It is not an unprimeable number, because it can be changed into a prime (1206131) 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 7 ways as a sum of consecutive naturals, for example, 445 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (137124).

21206130 is an apocalyptic number.

1206130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206130 is a deficient number, since it is larger than the sum of its proper divisors (987854).

1206130 is a wasteful number, since it uses less digits than its factorization.

1206130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1206130 is about 1098.2395002913. The cubic root of 1206130 is about 106.4464968166.

The spelling of 1206130 in words is "one million, two hundred six thousand, one hundred thirty".

Divisors: 1 2 5 10 103 206 515 1030 1171 2342 5855 11710 120613 241226 603065 1206130