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123141214 = 2721256543
BaseRepresentation
bin1110101011011…
…11110001011110
322120201012222201
413111233301132
5223011004324
620115202114
73023453200
oct725576136
9276635881
10123141214
11635678a9
12352a633a
131c686931
14124d6770
15ac26444
hex756fc5e

123141214 has 12 divisors (see below), whose sum is σ = 214869024. Its totient is φ = 52774764.

The previous prime is 123141211. The next prime is 123141229. The reversal of 123141214 is 412141321.

It is a junction number, because it is equal to n+sod(n) for n = 123141191 and 123141200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123141211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628174 + ... + 628369.

It is an arithmetic number, because the mean of its divisors is an integer number (17905752).

Almost surely, 2123141214 is an apocalyptic number.

123141214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123141214 is a deficient number, since it is larger than the sum of its proper divisors (91727810).

123141214 is a wasteful number, since it uses less digits than its factorization.

123141214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256559 (or 1256552 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 123141214 is about 11096.9010989555. The cubic root of 123141214 is about 497.5092314138.

Adding to 123141214 its reverse (412141321), we get a palindrome (535282535).

The spelling of 123141214 in words is "one hundred twenty-three million, one hundred forty-one thousand, two hundred fourteen".

Divisors: 1 2 7 14 49 98 1256543 2513086 8795801 17591602 61570607 123141214