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122148132 = 22310179011
BaseRepresentation
bin1110100011111…
…01010100100100
322111211202201220
413101331110210
5222232220012
620042020340
73012146001
oct721752444
9274752656
10122148132
1162a49777
1234aa76b0
131c3c9902
14123188a8
15aacc08c
hex747d524

122148132 has 12 divisors (see below), whose sum is σ = 285012336. Its totient is φ = 40716040.

The previous prime is 122148127. The next prime is 122148133. The reversal of 122148132 is 231841221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (122148133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5089494 + ... + 5089517.

It is an arithmetic number, because the mean of its divisors is an integer number (23751028).

Almost surely, 2122148132 is an apocalyptic number.

122148132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122148132 is an abundant number, since it is smaller than the sum of its proper divisors (162864204).

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

122148132 is a wasteful number, since it uses less digits than its factorization.

122148132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179018 (or 10179016 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 122148132 is about 11052.0646035028. The cubic root of 122148132 is about 496.1682192598.

Adding to 122148132 its reverse (231841221), we get a palindrome (353989353).

The spelling of 122148132 in words is "one hundred twenty-two million, one hundred forty-eight thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 10179011 20358022 30537033 40716044 61074066 122148132