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124006741 = 733169177
BaseRepresentation
bin1110110010000…
…11000101010101
322122100012021021
413121003011111
5223221203431
620145521141
73034016455
oct731030525
9278305237
10124006741
1163aa9111
12356431b1
131c8ca891
141267dd65
15ad47b11
hex7643155

124006741 has 4 divisors (see below), whose sum is σ = 124176652. Its totient is φ = 123836832.

The previous prime is 124006739. The next prime is 124006759. The reversal of 124006741 is 147600421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 147600421 = 271544651.

It can be written as a sum of positive squares in 2 ways, for example, as 122434225 + 1572516 = 11065^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 124006741 - 21 = 124006739 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 (124006781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83856 + ... + 85321.

It is an arithmetic number, because the mean of its divisors is an integer number (31044163).

Almost surely, 2124006741 is an apocalyptic number.

It is an amenable number.

124006741 is a deficient number, since it is larger than the sum of its proper divisors (169911).

124006741 is an equidigital number, since it uses as much as digits as its factorization.

124006741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169910.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 124006741 is about 11135.8314013818. The cubic root of 124006741 is about 498.6721313180.

The spelling of 124006741 in words is "one hundred twenty-four million, six thousand, seven hundred forty-one".

Divisors: 1 733 169177 124006741