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11127901 = 197173113
BaseRepresentation
bin101010011100…
…110001011101
3202221100121111
4222130301131
510322043101
61034302021
7163404601
oct52346135
922840544
1011127901
116310614
123887911
1323c8075
141699501
15e9c251
hexa9cc5d

11127901 has 16 divisors (see below), whose sum is σ = 12147840. Its totient is φ = 10160640.

The previous prime is 11127899. The next prime is 11127913. The reversal of 11127901 is 10972111.

It is a 5-Lehmer number, since φ(11127901) divides (11127901-1)5.

It is a cyclic number.

It is not a de Polignac number, because 11127901 - 21 = 11127899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11127971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98421 + ... + 98533.

It is an arithmetic number, because the mean of its divisors is an integer number (759240).

Almost surely, 211127901 is an apocalyptic number.

It is an amenable number.

11127901 is a deficient number, since it is larger than the sum of its proper divisors (1019939).

11127901 is a wasteful number, since it uses less digits than its factorization.

11127901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 11127901 is about 3335.8508659711. The cubic root of 11127901 is about 223.2566571760.

The spelling of 11127901 in words is "eleven million, one hundred twenty-seven thousand, nine hundred one".

Divisors: 1 19 71 73 113 1349 1387 2147 5183 8023 8249 98477 152437 156731 585679 11127901