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1207130 = 25120713
BaseRepresentation
bin100100110101101011010
32021022212112
410212231122
5302112010
641512322
713155221
oct4465532
92238775
101207130
11754a31
124a26a2
133335a2
14235cb8
1518ca05
hex126b5a

1207130 has 8 divisors (see below), whose sum is σ = 2172852. Its totient is φ = 482848.

The previous prime is 1207123. The next prime is 1207133. The reversal of 1207130 is 317021.

It can be written as a sum of positive squares in 2 ways, for example, as 1203409 + 3721 = 1097^2 + 61^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1207133) 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, 60347 + ... + 60366.

21207130 is an apocalyptic number.

1207130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1207130 is a deficient number, since it is larger than the sum of its proper divisors (965722).

1207130 is a wasteful number, since it uses less digits than its factorization.

1207130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120720.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1207130 is about 1098.6946800636. The cubic root of 1207130 is about 106.4759068836.

The spelling of 1207130 in words is "one million, two hundred seven thousand, one hundred thirty".

Divisors: 1 2 5 10 120713 241426 603565 1207130