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124122413 = 7113912577
BaseRepresentation
bin1110110010111…
…11010100101101
322122120001221102
413121133110231
5223233404123
620152212445
73035010632
oct731372455
9278501842
10124122413
1164078008
123569a125
131c93b41c
14126b0189
15ad6c028
hex765f52d

124122413 has 8 divisors (see below), whose sum is σ = 126786240. Its totient is φ = 121484160.

The previous prime is 124122367. The next prime is 124122431. The reversal of 124122413 is 314221421.

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-124122413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124122613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3581 + ... + 16157.

It is an arithmetic number, because the mean of its divisors is an integer number (15848280).

Almost surely, 2124122413 is an apocalyptic number.

It is an amenable number.

124122413 is a deficient number, since it is larger than the sum of its proper divisors (2663827).

124122413 is a wasteful number, since it uses less digits than its factorization.

124122413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12787.

The product of its digits is 384, while the sum is 20.

The square root of 124122413 is about 11141.0238757486. The cubic root of 124122413 is about 498.8271349262.

Adding to 124122413 its reverse (314221421), we get a palindrome (438343834).

The spelling of 124122413 in words is "one hundred twenty-four million, one hundred twenty-two thousand, four hundred thirteen".

Divisors: 1 71 139 9869 12577 892967 1748203 124122413