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1226130 = 235231777
BaseRepresentation
bin100101011010110010010
32022021221020
410223112102
5303214010
642140310
713264503
oct4532622
92267836
101226130
11768234
124b1696
1333c129
1423cbaa
15193470
hex12b592

1226130 has 32 divisors (see below), whose sum is σ = 3072384. Its totient is φ = 312576.

The previous prime is 1226117. The next prime is 1226179. The reversal of 1226130 is 316221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (96012).

21226130 is an apocalyptic number.

1226130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226130 is an abundant number, since it is smaller than the sum of its proper divisors (1846254).

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

1226130 is a wasteful number, since it uses less digits than its factorization.

1226130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1226130 is about 1107.3075453549. The cubic root of 1226130 is about 107.0316382407.

Subtracting from 1226130 its reverse (316221), we obtain a palindrome (909909).

The spelling of 1226130 in words is "one million, two hundred twenty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 1777 3554 5331 8885 10662 17770 26655 40871 53310 81742 122613 204355 245226 408710 613065 1226130