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121103969 = 769125037
BaseRepresentation
bin1110011011111…
…10011001100001
322102212201102012
413031332121201
5222000311334
620003402305
73000236540
oct715763141
9272781365
10121103969
11623a6228
1234683395
131c12256c
1412126157
15a9729ce
hex737e661

121103969 has 8 divisors (see below), whose sum is σ = 138610368. Its totient is φ = 103649040.

The previous prime is 121103959. The next prime is 121103981. The reversal of 121103969 is 969301121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121103969 is a prime.

It is a super-2 number, since 2×1211039692 = 29332342615105922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121103959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7682 + ... + 17355.

It is an arithmetic number, because the mean of its divisors is an integer number (17326296).

Almost surely, 2121103969 is an apocalyptic number.

It is an amenable number.

121103969 is a deficient number, since it is larger than the sum of its proper divisors (17506399).

121103969 is an equidigital number, since it uses as much as digits as its factorization.

121103969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25735.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 121103969 is about 11004.7248489001. The cubic root of 121103969 is about 494.7503676167.

The spelling of 121103969 in words is "one hundred twenty-one million, one hundred three thousand, nine hundred sixty-nine".

Divisors: 1 7 691 4837 25037 175259 17300567 121103969