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124074161 = 1979131631
BaseRepresentation
bin1110110010100…
…11100010110001
322122110121202022
413121103202301
5223230333121
620151201225
73034420151
oct731234261
9278417668
10124074161
1164044832
1235676215
131c922483
141269a761
15ad5caab
hex76538b1

124074161 has 16 divisors (see below), whose sum is σ = 133478400. Its totient is φ = 114987600.

The previous prime is 124074149. The next prime is 124074163. The reversal of 124074161 is 161470421.

It is a cyclic number.

It is not a de Polignac number, because 124074161 - 214 = 124057777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124074161.

It is not an unprimeable number, because it can be changed into a prime (124074163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196316 + ... + 196946.

It is an arithmetic number, because the mean of its divisors is an integer number (8342400).

Almost surely, 2124074161 is an apocalyptic number.

It is an amenable number.

124074161 is a deficient number, since it is larger than the sum of its proper divisors (9404239).

124074161 is a wasteful number, since it uses less digits than its factorization.

124074161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 124074161 is about 11138.8581551252. The cubic root of 124074161 is about 498.7624876533.

The spelling of 124074161 in words is "one hundred twenty-four million, seventy-four thousand, one hundred sixty-one".

Divisors: 1 19 79 131 631 1501 2489 10349 11989 49849 82661 196631 947131 1570559 6530219 124074161