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124000401 = 375904781
BaseRepresentation
bin1110110010000…
…01100010010001
322122022212120110
413121001202101
5223221003101
620145431533
73033662130
oct731014221
9278285513
10124000401
1163aa4378
123563b5a9
131c8c7a25
141267b917
15ad45cd6
hex7641891

124000401 has 8 divisors (see below), whose sum is σ = 188953024. Its totient is φ = 70857360.

The previous prime is 124000391. The next prime is 124000411. The reversal of 124000401 is 104000421.

It is an interprime number because it is at equal distance from previous prime (124000391) and next prime (124000411).

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

It is not a de Polignac number, because 124000401 - 27 = 124000273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124000411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952370 + ... + 2952411.

It is an arithmetic number, because the mean of its divisors is an integer number (23619128).

Almost surely, 2124000401 is an apocalyptic number.

It is an amenable number.

124000401 is a deficient number, since it is larger than the sum of its proper divisors (64952623).

124000401 is an equidigital number, since it uses as much as digits as its factorization.

124000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904791.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 124000401 is about 11135.5467310770. The cubic root of 124000401 is about 498.6636327607.

Adding to 124000401 its reverse (104000421), we get a palindrome (228000822).

The spelling of 124000401 in words is "one hundred twenty-four million, four hundred one", and thus it is an aban number.

Divisors: 1 3 7 21 5904781 17714343 41333467 124000401