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124344131 = 3122317987
BaseRepresentation
bin1110110100101…
…01011101000011
322122222100002012
413122111131003
5223313003011
620201043135
73036623222
oct732253503
9278870065
10124344131
116420964a
12357864ab
131c9b8312
141272acb9
15adb2a8b
hex7695743

124344131 has 8 divisors (see below), whose sum is σ = 128937984. Its totient is φ = 119786760.

The previous prime is 124344107. The next prime is 124344133. The reversal of 124344131 is 131443421.

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 124344131 - 214 = 124327747 is a prime.

It is a super-2 number, since 2×1243441312 = 30922925828290322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124344097 and 124344106.

It is not an unprimeable number, because it can be changed into a prime (124344133) 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, 2081 + ... + 15906.

It is an arithmetic number, because the mean of its divisors is an integer number (16117248).

Almost surely, 2124344131 is an apocalyptic number.

124344131 is a deficient number, since it is larger than the sum of its proper divisors (4593853).

124344131 is a wasteful number, since it uses less digits than its factorization.

124344131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18241.

The product of its digits is 1152, while the sum is 23.

The square root of 124344131 is about 11150.9699578108. The cubic root of 124344131 is about 499.1239740535.

Adding to 124344131 its reverse (131443421), we get a palindrome (255787552).

The spelling of 124344131 in words is "one hundred twenty-four million, three hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 31 223 6913 17987 557597 4011101 124344131