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124958161 is a prime number
BaseRepresentation
bin1110111001010…
…11010111010001
322201010112101001
413130223113101
5223442130121
620222142001
73045061336
oct734532721
9281115331
10124958161
1164598a09
1235a21901
131cb71953
141284a98d
15ae84991
hex772b5d1

124958161 has 2 divisors, whose sum is σ = 124958162. Its totient is φ = 124958160.

The previous prime is 124958147. The next prime is 124958219. The reversal of 124958161 is 161859421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124746561 + 211600 = 11169^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 124958161 - 29 = 124957649 is a prime.

It is a super-2 number, since 2×1249581612 = 31229084001003842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124958161.

It is not a weakly prime, because it can be changed into another prime (124958761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62479080 + 62479081.

It is an arithmetic number, because the mean of its divisors is an integer number (62479081).

Almost surely, 2124958161 is an apocalyptic number.

It is an amenable number.

124958161 is a deficient number, since it is larger than the sum of its proper divisors (1).

124958161 is an equidigital number, since it uses as much as digits as its factorization.

124958161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 124958161 is about 11178.4686339409. The cubic root of 124958161 is about 499.9442084415.

The spelling of 124958161 in words is "one hundred twenty-four million, nine hundred fifty-eight thousand, one hundred sixty-one".