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124741421 = 789200227
BaseRepresentation
bin1110110111101…
…10011100101101
322200201112001122
413123312130231
5223413211141
620213350325
73043166420
oct733663455
9280645048
10124741421
1164460092
12359383a5
131cac70bc
14127d19b7
15ae4064b
hex76f672d

124741421 has 8 divisors (see below), whose sum is σ = 144164160. Its totient is φ = 105719328.

The previous prime is 124741417. The next prime is 124741423. The reversal of 124741421 is 124147421.

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

It is a cyclic number.

It is not a de Polignac number, because 124741421 - 22 = 124741417 is a prime.

It is a super-2 number, since 2×1247414212 = 31120844226198482, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124741423) 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, 99491 + ... + 100736.

It is an arithmetic number, because the mean of its divisors is an integer number (18020520).

Almost surely, 2124741421 is an apocalyptic number.

It is an amenable number.

124741421 is a deficient number, since it is larger than the sum of its proper divisors (19422739).

124741421 is an equidigital number, since it uses as much as digits as its factorization.

124741421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200323.

The product of its digits is 1792, while the sum is 26.

The square root of 124741421 is about 11168.7698964568. The cubic root of 124741421 is about 499.6549899909.

Adding to 124741421 its reverse (124147421), we get a palindrome (248888842).

The spelling of 124741421 in words is "one hundred twenty-four million, seven hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 7 89 623 200227 1401589 17820203 124741421