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1226901 = 313163193
BaseRepresentation
bin100101011100010010101
32022022222210
410223202111
5303230101
642144033
713266654
oct4534225
92268883
101226901
11768875
124b2019
1333c5a0
1423d19b
151937d6
hex12b895

1226901 has 16 divisors (see below), whose sum is σ = 1781696. Its totient is φ = 746496.

The previous prime is 1226899. The next prime is 1226959. The reversal of 1226901 is 1096221.

It is not a de Polignac number, because 1226901 - 21 = 1226899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6261 + ... + 6453.

It is an arithmetic number, because the mean of its divisors is an integer number (111356).

21226901 is an apocalyptic number.

It is an amenable number.

1226901 is a deficient number, since it is larger than the sum of its proper divisors (554795).

1226901 is a wasteful number, since it uses less digits than its factorization.

1226901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1226901 is about 1107.6556324057. The cubic root of 1226901 is about 107.0540676466.

The spelling of 1226901 in words is "one million, two hundred twenty-six thousand, nine hundred one".

Divisors: 1 3 13 39 163 193 489 579 2119 2509 6357 7527 31459 94377 408967 1226901